Home / 68,908.14-95,089.86-38,689.74

Finding the Fourth Proportional to 68,908.14, 95,089.86 and 38,689.74

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Solution

The fourth proportional to 68,908.14, 95,089.86 and 38,689.74 is: 53,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,908.14 : 95,089.86 = 38,689.74 : x
  2. Step 2: Convert to fraction form
    68,908.14/95,089.86 = 38,689.74/x
  3. Step 3: Cross multiply
    68,908.14x = 95,089.86 × 38,689.74
  4. Step 4: Simplify right side
    68,908.14x = 3,679,001,960.04
  5. Step 5: Solve for x
    x = 3,679,001,960.04/68,908.14
  6. Step 6: Final answer
    x = 53,389.95

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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.