Home / 82,575.96-123,845.28-38,178.46

Finding the Fourth Proportional to 82,575.96, 123,845.28 and 38,178.46

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Solution

The fourth proportional to 82,575.96, 123,845.28 and 38,178.46 is: 57,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,575.96 : 123,845.28 = 38,178.46 : x
  2. Step 2: Convert to fraction form
    82,575.96/123,845.28 = 38,178.46/x
  3. Step 3: Cross multiply
    82,575.96x = 123,845.28 × 38,178.46
  4. Step 4: Simplify right side
    82,575.96x = 4,728,222,068.67
  5. Step 5: Solve for x
    x = 4,728,222,068.67/82,575.96
  6. Step 6: Final answer
    x = 57,259.06

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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.