Home / 104,615.09-144,358.04-62,165.42

Finding the Fourth Proportional to 104,615.09, 144,358.04 and 62,165.42

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Solution

The fourth proportional to 104,615.09, 144,358.04 and 62,165.42 is: 85,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615.09 : 144,358.04 = 62,165.42 : x
  2. Step 2: Convert to fraction form
    104,615.09/144,358.04 = 62,165.42/x
  3. Step 3: Cross multiply
    104,615.09x = 144,358.04 × 62,165.42
  4. Step 4: Simplify right side
    104,615.09x = 8,974,077,876.15
  5. Step 5: Solve for x
    x = 8,974,077,876.15/104,615.09
  6. Step 6: Final answer
    x = 85,781.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.