Home / 75,577.87-113,318.21-36,134.11

Finding the Fourth Proportional to 75,577.87, 113,318.21 and 36,134.11

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Solution

The fourth proportional to 75,577.87, 113,318.21 and 36,134.11 is: 54,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,577.87 : 113,318.21 = 36,134.11 : x
  2. Step 2: Convert to fraction form
    75,577.87/113,318.21 = 36,134.11/x
  3. Step 3: Cross multiply
    75,577.87x = 113,318.21 × 36,134.11
  4. Step 4: Simplify right side
    75,577.87x = 4,094,652,484.47
  5. Step 5: Solve for x
    x = 4,094,652,484.47/75,577.87
  6. Step 6: Final answer
    x = 54,177.93

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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.