Home / 52,644.12-72,652.40-29,679.61

Finding the Fourth Proportional to 52,644.12, 72,652.40 and 29,679.61

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Solution

The fourth proportional to 52,644.12, 72,652.40 and 29,679.61 is: 40,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.12 : 72,652.40 = 29,679.61 : x
  2. Step 2: Convert to fraction form
    52,644.12/72,652.40 = 29,679.61/x
  3. Step 3: Cross multiply
    52,644.12x = 72,652.40 × 29,679.61
  4. Step 4: Simplify right side
    52,644.12x = 2,156,294,897.56
  5. Step 5: Solve for x
    x = 2,156,294,897.56/52,644.12
  6. Step 6: Final answer
    x = 40,959.84

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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.