Home / 107,470.91-148,298.07-62,142.03

Finding the Fourth Proportional to 107,470.91, 148,298.07 and 62,142.03

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Solution

The fourth proportional to 107,470.91, 148,298.07 and 62,142.03 is: 85,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,470.91 : 148,298.07 = 62,142.03 : x
  2. Step 2: Convert to fraction form
    107,470.91/148,298.07 = 62,142.03/x
  3. Step 3: Cross multiply
    107,470.91x = 148,298.07 × 62,142.03
  4. Step 4: Simplify right side
    107,470.91x = 9,215,542,373.39
  5. Step 5: Solve for x
    x = 9,215,542,373.39/107,470.91
  6. Step 6: Final answer
    x = 85,749.18

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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.