Home / 88,640.10-132,911.55-29,445.30

Finding the Fourth Proportional to 88,640.10, 132,911.55 and 29,445.30

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Solution

The fourth proportional to 88,640.10, 132,911.55 and 29,445.30 is: 44,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.10 : 132,911.55 = 29,445.30 : x
  2. Step 2: Convert to fraction form
    88,640.10/132,911.55 = 29,445.30/x
  3. Step 3: Cross multiply
    88,640.10x = 132,911.55 × 29,445.30
  4. Step 4: Simplify right side
    88,640.10x = 3,913,620,463.22
  5. Step 5: Solve for x
    x = 3,913,620,463.22/88,640.10
  6. Step 6: Final answer
    x = 44,151.81

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1.5x scale

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.