Home / 83,319.60-124,979.40-27,915.60

Finding the Fourth Proportional to 83,319.60, 124,979.40 and 27,915.60

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Solution

The fourth proportional to 83,319.60, 124,979.40 and 27,915.60 is: 41,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,319.60 : 124,979.40 = 27,915.60 : x
  2. Step 2: Convert to fraction form
    83,319.60/124,979.40 = 27,915.60/x
  3. Step 3: Cross multiply
    83,319.60x = 124,979.40 × 27,915.60
  4. Step 4: Simplify right side
    83,319.60x = 3,488,874,938.64
  5. Step 5: Solve for x
    x = 3,488,874,938.64/83,319.60
  6. Step 6: Final answer
    x = 41,873.40

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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.