Home / 76,320.18-114,441.85-44,737.78

Finding the Fourth Proportional to 76,320.18, 114,441.85 and 44,737.78

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Solution

The fourth proportional to 76,320.18, 114,441.85 and 44,737.78 is: 67,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,320.18 : 114,441.85 = 44,737.78 : x
  2. Step 2: Convert to fraction form
    76,320.18/114,441.85 = 44,737.78/x
  3. Step 3: Cross multiply
    76,320.18x = 114,441.85 × 44,737.78
  4. Step 4: Simplify right side
    76,320.18x = 5,119,873,512.19
  5. Step 5: Solve for x
    x = 5,119,873,512.19/76,320.18
  6. Step 6: Final answer
    x = 67,084.14

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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.