Home / 74,562.34-102,898.86-42,737.38

Finding the Fourth Proportional to 74,562.34, 102,898.86 and 42,737.38

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Solution

The fourth proportional to 74,562.34, 102,898.86 and 42,737.38 is: 58,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.34 : 102,898.86 = 42,737.38 : x
  2. Step 2: Convert to fraction form
    74,562.34/102,898.86 = 42,737.38/x
  3. Step 3: Cross multiply
    74,562.34x = 102,898.86 × 42,737.38
  4. Step 4: Simplify right side
    74,562.34x = 4,397,627,681.39
  5. Step 5: Solve for x
    x = 4,397,627,681.39/74,562.34
  6. Step 6: Final answer
    x = 58,979.21

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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.