Home / 76,156.32-114,242.24-26,229.92

Finding the Fourth Proportional to 76,156.32, 114,242.24 and 26,229.92

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Solution

The fourth proportional to 76,156.32, 114,242.24 and 26,229.92 is: 39,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,156.32 : 114,242.24 = 26,229.92 : x
  2. Step 2: Convert to fraction form
    76,156.32/114,242.24 = 26,229.92/x
  3. Step 3: Cross multiply
    76,156.32x = 114,242.24 × 26,229.92
  4. Step 4: Simplify right side
    76,156.32x = 2,996,564,815.82
  5. Step 5: Solve for x
    x = 2,996,564,815.82/76,156.32
  6. Step 6: Final answer
    x = 39,347.55

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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.