Home / 83,485.74-125,216.54-27,328.10

Finding the Fourth Proportional to 83,485.74, 125,216.54 and 27,328.10

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Solution

The fourth proportional to 83,485.74, 125,216.54 and 27,328.10 is: 40,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,485.74 : 125,216.54 = 27,328.10 : x
  2. Step 2: Convert to fraction form
    83,485.74/125,216.54 = 27,328.10/x
  3. Step 3: Cross multiply
    83,485.74x = 125,216.54 × 27,328.10
  4. Step 4: Simplify right side
    83,485.74x = 3,421,929,364.05
  5. Step 5: Solve for x
    x = 3,421,929,364.05/83,485.74
  6. Step 6: Final answer
    x = 40,988.19

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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.