Home / 98,731.56-148,418.10-79,223.52

Finding the Fourth Proportional to 98,731.56, 148,418.10 and 79,223.52

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Solution

The fourth proportional to 98,731.56, 148,418.10 and 79,223.52 is: 119,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,731.56 : 148,418.10 = 79,223.52 : x
  2. Step 2: Convert to fraction form
    98,731.56/148,418.10 = 79,223.52/x
  3. Step 3: Cross multiply
    98,731.56x = 148,418.10 × 79,223.52
  4. Step 4: Simplify right side
    98,731.56x = 11,758,204,313.71
  5. Step 5: Solve for x
    x = 11,758,204,313.71/98,731.56
  6. Step 6: Final answer
    x = 119,092.66

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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.