Home / 110,139.38-165,125.47-56,773.85

Finding the Fourth Proportional to 110,139.38, 165,125.47 and 56,773.85

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Solution

The fourth proportional to 110,139.38, 165,125.47 and 56,773.85 is: 85,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,139.38 : 165,125.47 = 56,773.85 : x
  2. Step 2: Convert to fraction form
    110,139.38/165,125.47 = 56,773.85/x
  3. Step 3: Cross multiply
    110,139.38x = 165,125.47 × 56,773.85
  4. Step 4: Simplify right side
    110,139.38x = 9,374,808,664.96
  5. Step 5: Solve for x
    x = 9,374,808,664.96/110,139.38
  6. Step 6: Final answer
    x = 85,117.68

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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.