Home / 52,399.86-78,529.70-25,705.04

Finding the Fourth Proportional to 52,399.86, 78,529.70 and 25,705.04

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Solution

The fourth proportional to 52,399.86, 78,529.70 and 25,705.04 is: 38,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,399.86 : 78,529.70 = 25,705.04 : x
  2. Step 2: Convert to fraction form
    52,399.86/78,529.70 = 25,705.04/x
  3. Step 3: Cross multiply
    52,399.86x = 78,529.70 × 25,705.04
  4. Step 4: Simplify right side
    52,399.86x = 2,018,609,079.69
  5. Step 5: Solve for x
    x = 2,018,609,079.69/52,399.86
  6. Step 6: Final answer
    x = 38,523.18

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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.