Home / 52,757.46-79,143.96-15,312.66

Finding the Fourth Proportional to 52,757.46, 79,143.96 and 15,312.66

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Solution

The fourth proportional to 52,757.46, 79,143.96 and 15,312.66 is: 22,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.46 : 79,143.96 = 15,312.66 : x
  2. Step 2: Convert to fraction form
    52,757.46/79,143.96 = 15,312.66/x
  3. Step 3: Cross multiply
    52,757.46x = 79,143.96 × 15,312.66
  4. Step 4: Simplify right side
    52,757.46x = 1,211,904,550.53
  5. Step 5: Solve for x
    x = 1,211,904,550.53/52,757.46
  6. Step 6: Final answer
    x = 22,971.25

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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.