Home / 52,073.34-78,110-14,631.90

Finding the Fourth Proportional to 52,073.34, 78,110 and 14,631.90

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Solution

The fourth proportional to 52,073.34, 78,110 and 14,631.90 is: 21,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073.34 : 78,110 = 14,631.90 : x
  2. Step 2: Convert to fraction form
    52,073.34/78,110 = 14,631.90/x
  3. Step 3: Cross multiply
    52,073.34x = 78,110 × 14,631.90
  4. Step 4: Simplify right side
    52,073.34x = 1,142,897,709
  5. Step 5: Solve for x
    x = 1,142,897,709/52,073.34
  6. Step 6: Final answer
    x = 21,947.85

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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.