Home / 108,932.60-163,277.40-42,350.60

Finding the Fourth Proportional to 108,932.60, 163,277.40 and 42,350.60

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Solution

The fourth proportional to 108,932.60, 163,277.40 and 42,350.60 is: 63,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,932.60 : 163,277.40 = 42,350.60 : x
  2. Step 2: Convert to fraction form
    108,932.60/163,277.40 = 42,350.60/x
  3. Step 3: Cross multiply
    108,932.60x = 163,277.40 × 42,350.60
  4. Step 4: Simplify right side
    108,932.60x = 6,914,895,856.44
  5. Step 5: Solve for x
    x = 6,914,895,856.44/108,932.60
  6. Step 6: Final answer
    x = 63,478.66

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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.