Home / 96,385.90-132,919.23-75,157.42

Finding the Fourth Proportional to 96,385.90, 132,919.23 and 75,157.42

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Solution

The fourth proportional to 96,385.90, 132,919.23 and 75,157.42 is: 103,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,385.90 : 132,919.23 = 75,157.42 : x
  2. Step 2: Convert to fraction form
    96,385.90/132,919.23 = 75,157.42/x
  3. Step 3: Cross multiply
    96,385.90x = 132,919.23 × 75,157.42
  4. Step 4: Simplify right side
    96,385.90x = 9,989,866,395.19
  5. Step 5: Solve for x
    x = 9,989,866,395.19/96,385.90
  6. Step 6: Final answer
    x = 103,644.48

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1.5x scale

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.