Home / 96,386.40-132,919.92-75,157.92

Finding the Fourth Proportional to 96,386.40, 132,919.92 and 75,157.92

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Solution

The fourth proportional to 96,386.40, 132,919.92 and 75,157.92 is: 103,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,386.40 : 132,919.92 = 75,157.92 : x
  2. Step 2: Convert to fraction form
    96,386.40/132,919.92 = 75,157.92/x
  3. Step 3: Cross multiply
    96,386.40x = 132,919.92 × 75,157.92
  4. Step 4: Simplify right side
    96,386.40x = 9,989,984,713.77
  5. Step 5: Solve for x
    x = 9,989,984,713.77/96,386.40
  6. Step 6: Final answer
    x = 103,645.17

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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.