Home / 52,251.20-72,114.80-29,591.36

Finding the Fourth Proportional to 52,251.20, 72,114.80 and 29,591.36

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Solution

The fourth proportional to 52,251.20, 72,114.80 and 29,591.36 is: 40,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.20 : 72,114.80 = 29,591.36 : x
  2. Step 2: Convert to fraction form
    52,251.20/72,114.80 = 29,591.36/x
  3. Step 3: Cross multiply
    52,251.20x = 72,114.80 × 29,591.36
  4. Step 4: Simplify right side
    52,251.20x = 2,133,975,008.13
  5. Step 5: Solve for x
    x = 2,133,975,008.13/52,251.20
  6. Step 6: Final answer
    x = 40,840.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.