Home / 108,655.17-162,951.15-42,080.46

Finding the Fourth Proportional to 108,655.17, 162,951.15 and 42,080.46

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Solution

The fourth proportional to 108,655.17, 162,951.15 and 42,080.46 is: 63,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.17 : 162,951.15 = 42,080.46 : x
  2. Step 2: Convert to fraction form
    108,655.17/162,951.15 = 42,080.46/x
  3. Step 3: Cross multiply
    108,655.17x = 162,951.15 × 42,080.46
  4. Step 4: Simplify right side
    108,655.17x = 6,857,058,896.26
  5. Step 5: Solve for x
    x = 6,857,058,896.26/108,655.17
  6. Step 6: Final answer
    x = 63,108.45

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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.