Home / 104,615.90-144,319.19-62,144.36

Finding the Fourth Proportional to 104,615.90, 144,319.19 and 62,144.36

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Solution

The fourth proportional to 104,615.90, 144,319.19 and 62,144.36 is: 85,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615.90 : 144,319.19 = 62,144.36 : x
  2. Step 2: Convert to fraction form
    104,615.90/144,319.19 = 62,144.36/x
  3. Step 3: Cross multiply
    104,615.90x = 144,319.19 × 62,144.36
  4. Step 4: Simplify right side
    104,615.90x = 8,968,623,207.15
  5. Step 5: Solve for x
    x = 8,968,623,207.15/104,615.90
  6. Step 6: Final answer
    x = 85,729.07

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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.