Home / 68,614.17-94,688.84-38,402.82

Finding the Fourth Proportional to 68,614.17, 94,688.84 and 38,402.82

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Solution

The fourth proportional to 68,614.17, 94,688.84 and 38,402.82 is: 52,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,614.17 : 94,688.84 = 38,402.82 : x
  2. Step 2: Convert to fraction form
    68,614.17/94,688.84 = 38,402.82/x
  3. Step 3: Cross multiply
    68,614.17x = 94,688.84 × 38,402.82
  4. Step 4: Simplify right side
    68,614.17x = 3,636,318,478.53
  5. Step 5: Solve for x
    x = 3,636,318,478.53/68,614.17
  6. Step 6: Final answer
    x = 52,996.61

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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.