Home / 98,449.28-147,586.08-36,105.28

Finding the Fourth Proportional to 98,449.28, 147,586.08 and 36,105.28

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Solution

The fourth proportional to 98,449.28, 147,586.08 and 36,105.28 is: 54,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,449.28 : 147,586.08 = 36,105.28 : x
  2. Step 2: Convert to fraction form
    98,449.28/147,586.08 = 36,105.28/x
  3. Step 3: Cross multiply
    98,449.28x = 147,586.08 × 36,105.28
  4. Step 4: Simplify right side
    98,449.28x = 5,328,636,742.50
  5. Step 5: Solve for x
    x = 5,328,636,742.50/98,449.28
  6. Step 6: Final answer
    x = 54,125.71

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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.