Home / 86,310.04-129,465.02-23,980.52

Finding the Fourth Proportional to 86,310.04, 129,465.02 and 23,980.52

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Solution

The fourth proportional to 86,310.04, 129,465.02 and 23,980.52 is: 35,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,310.04 : 129,465.02 = 23,980.52 : x
  2. Step 2: Convert to fraction form
    86,310.04/129,465.02 = 23,980.52/x
  3. Step 3: Cross multiply
    86,310.04x = 129,465.02 × 23,980.52
  4. Step 4: Simplify right side
    86,310.04x = 3,104,638,501.41
  5. Step 5: Solve for x
    x = 3,104,638,501.41/86,310.04
  6. Step 6: Final answer
    x = 35,970.77

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.