Home / 107,742.85-148,685.13-62,447.11

Finding the Fourth Proportional to 107,742.85, 148,685.13 and 62,447.11

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Solution

The fourth proportional to 107,742.85, 148,685.13 and 62,447.11 is: 86,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,742.85 : 148,685.13 = 62,447.11 : x
  2. Step 2: Convert to fraction form
    107,742.85/148,685.13 = 62,447.11/x
  3. Step 3: Cross multiply
    107,742.85x = 148,685.13 × 62,447.11
  4. Step 4: Simplify right side
    107,742.85x = 9,284,955,736.41
  5. Step 5: Solve for x
    x = 9,284,955,736.41/107,742.85
  6. Step 6: Final answer
    x = 86,177.00

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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.