Home / 107,928.38-148,902.10-62,581.41

Finding the Fourth Proportional to 107,928.38, 148,902.10 and 62,581.41

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Solution

The fourth proportional to 107,928.38, 148,902.10 and 62,581.41 is: 86,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.38 : 148,902.10 = 62,581.41 : x
  2. Step 2: Convert to fraction form
    107,928.38/148,902.10 = 62,581.41/x
  3. Step 3: Cross multiply
    107,928.38x = 148,902.10 × 62,581.41
  4. Step 4: Simplify right side
    107,928.38x = 9,318,503,213.51
  5. Step 5: Solve for x
    x = 9,318,503,213.51/107,928.38
  6. Step 6: Final answer
    x = 86,339.69

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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.