Home / 68,915.97-95,097.35-38,695.47

Finding the Fourth Proportional to 68,915.97, 95,097.35 and 38,695.47

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Solution

The fourth proportional to 68,915.97, 95,097.35 and 38,695.47 is: 53,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,915.97 : 95,097.35 = 38,695.47 : x
  2. Step 2: Convert to fraction form
    68,915.97/95,097.35 = 38,695.47/x
  3. Step 3: Cross multiply
    68,915.97x = 95,097.35 × 38,695.47
  4. Step 4: Simplify right side
    68,915.97x = 3,679,836,460.53
  5. Step 5: Solve for x
    x = 3,679,836,460.53/68,915.97
  6. Step 6: Final answer
    x = 53,395.99

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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.