Home / 108,320.28-162,480.18-29,445.96

Finding the Fourth Proportional to 108,320.28, 162,480.18 and 29,445.96

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Solution

The fourth proportional to 108,320.28, 162,480.18 and 29,445.96 is: 44,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,320.28 : 162,480.18 = 29,445.96 : x
  2. Step 2: Convert to fraction form
    108,320.28/162,480.18 = 29,445.96/x
  3. Step 3: Cross multiply
    108,320.28x = 162,480.18 × 29,445.96
  4. Step 4: Simplify right side
    108,320.28x = 4,784,384,881.07
  5. Step 5: Solve for x
    x = 4,784,384,881.07/108,320.28
  6. Step 6: Final answer
    x = 44,168.87

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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.