Home / 107,965.13-148,951.71-62,617.68

Finding the Fourth Proportional to 107,965.13, 148,951.71 and 62,617.68

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Solution

The fourth proportional to 107,965.13, 148,951.71 and 62,617.68 is: 86,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,965.13 : 148,951.71 = 62,617.68 : x
  2. Step 2: Convert to fraction form
    107,965.13/148,951.71 = 62,617.68/x
  3. Step 3: Cross multiply
    107,965.13x = 148,951.71 × 62,617.68
  4. Step 4: Simplify right side
    107,965.13x = 9,327,010,512.23
  5. Step 5: Solve for x
    x = 9,327,010,512.23/107,965.13
  6. Step 6: Final answer
    x = 86,389.10

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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.