Home / 95,156.78-131,330.34-54,862.66

Finding the Fourth Proportional to 95,156.78, 131,330.34 and 54,862.66

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Solution

The fourth proportional to 95,156.78, 131,330.34 and 54,862.66 is: 75,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,156.78 : 131,330.34 = 54,862.66 : x
  2. Step 2: Convert to fraction form
    95,156.78/131,330.34 = 54,862.66/x
  3. Step 3: Cross multiply
    95,156.78x = 131,330.34 × 54,862.66
  4. Step 4: Simplify right side
    95,156.78x = 7,205,130,860.14
  5. Step 5: Solve for x
    x = 7,205,130,860.14/95,156.78
  6. Step 6: Final answer
    x = 75,718.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.