Home / 52,708.62-79,073.52-19,428.86

Finding the Fourth Proportional to 52,708.62, 79,073.52 and 19,428.86

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Solution

The fourth proportional to 52,708.62, 79,073.52 and 19,428.86 is: 29,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.62 : 79,073.52 = 19,428.86 : x
  2. Step 2: Convert to fraction form
    52,708.62/79,073.52 = 19,428.86/x
  3. Step 3: Cross multiply
    52,708.62x = 79,073.52 × 19,428.86
  4. Step 4: Simplify right side
    52,708.62x = 1,536,308,474.61
  5. Step 5: Solve for x
    x = 1,536,308,474.61/52,708.62
  6. Step 6: Final answer
    x = 29,147.19

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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.