Home / 42,379.76-63,545-16,070.14

Finding the Fourth Proportional to 42,379.76, 63,545 and 16,070.14

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Solution

The fourth proportional to 42,379.76, 63,545 and 16,070.14 is: 24,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,379.76 : 63,545 = 16,070.14 : x
  2. Step 2: Convert to fraction form
    42,379.76/63,545 = 16,070.14/x
  3. Step 3: Cross multiply
    42,379.76x = 63,545 × 16,070.14
  4. Step 4: Simplify right side
    42,379.76x = 1,021,177,046.30
  5. Step 5: Solve for x
    x = 1,021,177,046.30/42,379.76
  6. Step 6: Final answer
    x = 24,095.87

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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.