Home / 98,079.52-147,105.24-31,511.08

Finding the Fourth Proportional to 98,079.52, 147,105.24 and 31,511.08

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Solution

The fourth proportional to 98,079.52, 147,105.24 and 31,511.08 is: 47,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,079.52 : 147,105.24 = 31,511.08 : x
  2. Step 2: Convert to fraction form
    98,079.52/147,105.24 = 31,511.08/x
  3. Step 3: Cross multiply
    98,079.52x = 147,105.24 × 31,511.08
  4. Step 4: Simplify right side
    98,079.52x = 4,635,444,986.06
  5. Step 5: Solve for x
    x = 4,635,444,986.06/98,079.52
  6. Step 6: Final answer
    x = 47,262.11

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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.