Home / 107,736.25-148,635.67-62,397.72

Finding the Fourth Proportional to 107,736.25, 148,635.67 and 62,397.72

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Solution

The fourth proportional to 107,736.25, 148,635.67 and 62,397.72 is: 86,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,736.25 : 148,635.67 = 62,397.72 : x
  2. Step 2: Convert to fraction form
    107,736.25/148,635.67 = 62,397.72/x
  3. Step 3: Cross multiply
    107,736.25x = 148,635.67 × 62,397.72
  4. Step 4: Simplify right side
    107,736.25x = 9,274,526,918.67
  5. Step 5: Solve for x
    x = 9,274,526,918.67/107,736.25
  6. Step 6: Final answer
    x = 86,085.48

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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.