Home / 98,744.40-148,151.16-28,627.92

Finding the Fourth Proportional to 98,744.40, 148,151.16 and 28,627.92

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Solution

The fourth proportional to 98,744.40, 148,151.16 and 28,627.92 is: 42,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.40 : 148,151.16 = 28,627.92 : x
  2. Step 2: Convert to fraction form
    98,744.40/148,151.16 = 28,627.92/x
  3. Step 3: Cross multiply
    98,744.40x = 148,151.16 × 28,627.92
  4. Step 4: Simplify right side
    98,744.40x = 4,241,259,556.39
  5. Step 5: Solve for x
    x = 4,241,259,556.39/98,744.40
  6. Step 6: Final answer
    x = 42,951.90

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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.