Home / 108,656.64-162,897.21-42,062.76

Finding the Fourth Proportional to 108,656.64, 162,897.21 and 42,062.76

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Solution

The fourth proportional to 108,656.64, 162,897.21 and 42,062.76 is: 63,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,656.64 : 162,897.21 = 42,062.76 : x
  2. Step 2: Convert to fraction form
    108,656.64/162,897.21 = 42,062.76/x
  3. Step 3: Cross multiply
    108,656.64x = 162,897.21 × 42,062.76
  4. Step 4: Simplify right side
    108,656.64x = 6,851,906,248.90
  5. Step 5: Solve for x
    x = 6,851,906,248.90/108,656.64
  6. Step 6: Final answer
    x = 63,060.17

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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.