Home / 42,472.10-63,716.18-14,010.68

Finding the Fourth Proportional to 42,472.10, 63,716.18 and 14,010.68

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Solution

The fourth proportional to 42,472.10, 63,716.18 and 14,010.68 is: 21,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,472.10 : 63,716.18 = 14,010.68 : x
  2. Step 2: Convert to fraction form
    42,472.10/63,716.18 = 14,010.68/x
  3. Step 3: Cross multiply
    42,472.10x = 63,716.18 × 14,010.68
  4. Step 4: Simplify right side
    42,472.10x = 892,706,620.17
  5. Step 5: Solve for x
    x = 892,706,620.17/42,472.10
  6. Step 6: Final answer
    x = 21,018.66

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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.