Home / 76,557.28-114,686.16-50,181.52

Finding the Fourth Proportional to 76,557.28, 114,686.16 and 50,181.52

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Solution

The fourth proportional to 76,557.28, 114,686.16 and 50,181.52 is: 75,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,557.28 : 114,686.16 = 50,181.52 : x
  2. Step 2: Convert to fraction form
    76,557.28/114,686.16 = 50,181.52/x
  3. Step 3: Cross multiply
    76,557.28x = 114,686.16 × 50,181.52
  4. Step 4: Simplify right side
    76,557.28x = 5,755,125,831.76
  5. Step 5: Solve for x
    x = 5,755,125,831.76/76,557.28
  6. Step 6: Final answer
    x = 75,174.12

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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.