Home / 83,397.28-115,101.68-47,588.80

Finding the Fourth Proportional to 83,397.28, 115,101.68 and 47,588.80

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Solution

The fourth proportional to 83,397.28, 115,101.68 and 47,588.80 is: 65,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.28 : 115,101.68 = 47,588.80 : x
  2. Step 2: Convert to fraction form
    83,397.28/115,101.68 = 47,588.80/x
  3. Step 3: Cross multiply
    83,397.28x = 115,101.68 × 47,588.80
  4. Step 4: Simplify right side
    83,397.28x = 5,477,550,829.18
  5. Step 5: Solve for x
    x = 5,477,550,829.18/83,397.28
  6. Step 6: Final answer
    x = 65,680.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.