Home / 98,001.24-147,002.68-31,441.48

Finding the Fourth Proportional to 98,001.24, 147,002.68 and 31,441.48

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Solution

The fourth proportional to 98,001.24, 147,002.68 and 31,441.48 is: 47,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,001.24 : 147,002.68 = 31,441.48 : x
  2. Step 2: Convert to fraction form
    98,001.24/147,002.68 = 31,441.48/x
  3. Step 3: Cross multiply
    98,001.24x = 147,002.68 × 31,441.48
  4. Step 4: Simplify right side
    98,001.24x = 4,621,981,823.17
  5. Step 5: Solve for x
    x = 4,621,981,823.17/98,001.24
  6. Step 6: Final answer
    x = 47,162.48

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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.