Home / 98,370.19-147,249.85-53,279.56

Finding the Fourth Proportional to 98,370.19, 147,249.85 and 53,279.56

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Solution

The fourth proportional to 98,370.19, 147,249.85 and 53,279.56 is: 79,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,370.19 : 147,249.85 = 53,279.56 : x
  2. Step 2: Convert to fraction form
    98,370.19/147,249.85 = 53,279.56/x
  3. Step 3: Cross multiply
    98,370.19x = 147,249.85 × 53,279.56
  4. Step 4: Simplify right side
    98,370.19x = 7,845,407,161.76
  5. Step 5: Solve for x
    x = 7,845,407,161.76/98,370.19
  6. Step 6: Final answer
    x = 79,753.90

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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.