Home / 42,493.92-63,732.48-40,386.56

Finding the Fourth Proportional to 42,493.92, 63,732.48 and 40,386.56

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Solution

The fourth proportional to 42,493.92, 63,732.48 and 40,386.56 is: 60,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,493.92 : 63,732.48 = 40,386.56 : x
  2. Step 2: Convert to fraction form
    42,493.92/63,732.48 = 40,386.56/x
  3. Step 3: Cross multiply
    42,493.92x = 63,732.48 × 40,386.56
  4. Step 4: Simplify right side
    42,493.92x = 2,573,935,627.47
  5. Step 5: Solve for x
    x = 2,573,935,627.47/42,493.92
  6. Step 6: Final answer
    x = 60,571.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.