Home / 96,384.90-132,917.85-75,156.42

Finding the Fourth Proportional to 96,384.90, 132,917.85 and 75,156.42

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Solution

The fourth proportional to 96,384.90, 132,917.85 and 75,156.42 is: 103,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,384.90 : 132,917.85 = 75,156.42 : x
  2. Step 2: Convert to fraction form
    96,384.90/132,917.85 = 75,156.42/x
  3. Step 3: Cross multiply
    96,384.90x = 132,917.85 × 75,156.42
  4. Step 4: Simplify right side
    96,384.90x = 9,989,629,760.10
  5. Step 5: Solve for x
    x = 9,989,629,760.10/96,384.90
  6. Step 6: Final answer
    x = 103,643.10

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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.