Home / 68,320.59-94,282.55-38,105.13

Finding the Fourth Proportional to 68,320.59, 94,282.55 and 38,105.13

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Solution

The fourth proportional to 68,320.59, 94,282.55 and 38,105.13 is: 52,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,320.59 : 94,282.55 = 38,105.13 : x
  2. Step 2: Convert to fraction form
    68,320.59/94,282.55 = 38,105.13/x
  3. Step 3: Cross multiply
    68,320.59x = 94,282.55 × 38,105.13
  4. Step 4: Simplify right side
    68,320.59x = 3,592,649,167.97
  5. Step 5: Solve for x
    x = 3,592,649,167.97/68,320.59
  6. Step 6: Final answer
    x = 52,585.16

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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.