Home / 75,557.97-113,358.87-31,176.45

Finding the Fourth Proportional to 75,557.97, 113,358.87 and 31,176.45

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Solution

The fourth proportional to 75,557.97, 113,358.87 and 31,176.45 is: 46,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,557.97 : 113,358.87 = 31,176.45 : x
  2. Step 2: Convert to fraction form
    75,557.97/113,358.87 = 31,176.45/x
  3. Step 3: Cross multiply
    75,557.97x = 113,358.87 × 31,176.45
  4. Step 4: Simplify right side
    75,557.97x = 3,534,127,142.61
  5. Step 5: Solve for x
    x = 3,534,127,142.61/75,557.97
  6. Step 6: Final answer
    x = 46,773.72

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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.