Home / 108,510.30-162,765.45-29,621.70

Finding the Fourth Proportional to 108,510.30, 162,765.45 and 29,621.70

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Solution

The fourth proportional to 108,510.30, 162,765.45 and 29,621.70 is: 44,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,510.30 : 162,765.45 = 29,621.70 : x
  2. Step 2: Convert to fraction form
    108,510.30/162,765.45 = 29,621.70/x
  3. Step 3: Cross multiply
    108,510.30x = 162,765.45 × 29,621.70
  4. Step 4: Simplify right side
    108,510.30x = 4,821,389,330.27
  5. Step 5: Solve for x
    x = 4,821,389,330.27/108,510.30
  6. Step 6: Final answer
    x = 44,432.55

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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.