Home / 98,635.20-147,967.56-36,300.96

Finding the Fourth Proportional to 98,635.20, 147,967.56 and 36,300.96

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Solution

The fourth proportional to 98,635.20, 147,967.56 and 36,300.96 is: 54,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,635.20 : 147,967.56 = 36,300.96 : x
  2. Step 2: Convert to fraction form
    98,635.20/147,967.56 = 36,300.96/x
  3. Step 3: Cross multiply
    98,635.20x = 147,967.56 × 36,300.96
  4. Step 4: Simplify right side
    98,635.20x = 5,371,364,476.86
  5. Step 5: Solve for x
    x = 5,371,364,476.86/98,635.20
  6. Step 6: Final answer
    x = 54,456.87

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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.