Home / 83,287.40-124,988.70-59,930.60

Finding the Fourth Proportional to 83,287.40, 124,988.70 and 59,930.60

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Solution

The fourth proportional to 83,287.40, 124,988.70 and 59,930.60 is: 89,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,287.40 : 124,988.70 = 59,930.60 : x
  2. Step 2: Convert to fraction form
    83,287.40/124,988.70 = 59,930.60/x
  3. Step 3: Cross multiply
    83,287.40x = 124,988.70 × 59,930.60
  4. Step 4: Simplify right side
    83,287.40x = 7,490,647,784.22
  5. Step 5: Solve for x
    x = 7,490,647,784.22/83,287.40
  6. Step 6: Final answer
    x = 89,937.35

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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.