Home / 108,760.46-150,080.85-65,731.23

Finding the Fourth Proportional to 108,760.46, 150,080.85 and 65,731.23

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Solution

The fourth proportional to 108,760.46, 150,080.85 and 65,731.23 is: 90,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,760.46 : 150,080.85 = 65,731.23 : x
  2. Step 2: Convert to fraction form
    108,760.46/150,080.85 = 65,731.23/x
  3. Step 3: Cross multiply
    108,760.46x = 150,080.85 × 65,731.23
  4. Step 4: Simplify right side
    108,760.46x = 9,864,998,869.95
  5. Step 5: Solve for x
    x = 9,864,998,869.95/108,760.46
  6. Step 6: Final answer
    x = 90,703.91

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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.