Home / 52,577.52-78,866.28-13,134.57

Finding the Fourth Proportional to 52,577.52, 78,866.28 and 13,134.57

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Solution

The fourth proportional to 52,577.52, 78,866.28 and 13,134.57 is: 19,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,577.52 : 78,866.28 = 13,134.57 : x
  2. Step 2: Convert to fraction form
    52,577.52/78,866.28 = 13,134.57/x
  3. Step 3: Cross multiply
    52,577.52x = 78,866.28 × 13,134.57
  4. Step 4: Simplify right side
    52,577.52x = 1,035,874,675.30
  5. Step 5: Solve for x
    x = 1,035,874,675.30/52,577.52
  6. Step 6: Final answer
    x = 19,701.86

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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.