Home / 86,221.60-129,317.40-23,877.52

Finding the Fourth Proportional to 86,221.60, 129,317.40 and 23,877.52

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Solution

The fourth proportional to 86,221.60, 129,317.40 and 23,877.52 is: 35,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221.60 : 129,317.40 = 23,877.52 : x
  2. Step 2: Convert to fraction form
    86,221.60/129,317.40 = 23,877.52/x
  3. Step 3: Cross multiply
    86,221.60x = 129,317.40 × 23,877.52
  4. Step 4: Simplify right side
    86,221.60x = 3,087,778,804.85
  5. Step 5: Solve for x
    x = 3,087,778,804.85/86,221.60
  6. Step 6: Final answer
    x = 35,812.13

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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.