Home / 99,236.40-148,559.28-65,841.12

Finding the Fourth Proportional to 99,236.40, 148,559.28 and 65,841.12

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Solution

The fourth proportional to 99,236.40, 148,559.28 and 65,841.12 is: 98,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,236.40 : 148,559.28 = 65,841.12 : x
  2. Step 2: Convert to fraction form
    99,236.40/148,559.28 = 65,841.12/x
  3. Step 3: Cross multiply
    99,236.40x = 148,559.28 × 65,841.12
  4. Step 4: Simplify right side
    99,236.40x = 9,781,309,381.59
  5. Step 5: Solve for x
    x = 9,781,309,381.59/99,236.40
  6. Step 6: Final answer
    x = 98,565.74

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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.