Home / 52,432.09-78,648.13-14,991.86

Finding the Fourth Proportional to 52,432.09, 78,648.13 and 14,991.86

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Solution

The fourth proportional to 52,432.09, 78,648.13 and 14,991.86 is: 22,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.09 : 78,648.13 = 14,991.86 : x
  2. Step 2: Convert to fraction form
    52,432.09/78,648.13 = 14,991.86/x
  3. Step 3: Cross multiply
    52,432.09x = 78,648.13 × 14,991.86
  4. Step 4: Simplify right side
    52,432.09x = 1,179,081,754.22
  5. Step 5: Solve for x
    x = 1,179,081,754.22/52,432.09
  6. Step 6: Final answer
    x = 22,487.79

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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.