Home / 98,788.44-148,182.12-39,581.76

Finding the Fourth Proportional to 98,788.44, 148,182.12 and 39,581.76

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Solution

The fourth proportional to 98,788.44, 148,182.12 and 39,581.76 is: 59,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,788.44 : 148,182.12 = 39,581.76 : x
  2. Step 2: Convert to fraction form
    98,788.44/148,182.12 = 39,581.76/x
  3. Step 3: Cross multiply
    98,788.44x = 148,182.12 × 39,581.76
  4. Step 4: Simplify right side
    98,788.44x = 5,865,309,110.13
  5. Step 5: Solve for x
    x = 5,865,309,110.13/98,788.44
  6. Step 6: Final answer
    x = 59,372.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.