Home / 162,645.57-243,781.16-62,761.59

Finding the Fourth Proportional to 162,645.57, 243,781.16 and 62,761.59

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Solution

The fourth proportional to 162,645.57, 243,781.16 and 62,761.59 is: 94,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,645.57 : 243,781.16 = 62,761.59 : x
  2. Step 2: Convert to fraction form
    162,645.57/243,781.16 = 62,761.59/x
  3. Step 3: Cross multiply
    162,645.57x = 243,781.16 × 62,761.59
  4. Step 4: Simplify right side
    162,645.57x = 15,300,092,899.84
  5. Step 5: Solve for x
    x = 15,300,092,899.84/162,645.57
  6. Step 6: Final answer
    x = 94,070.15

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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.