Home / 98,910.42-148,385.07-36,581.46

Finding the Fourth Proportional to 98,910.42, 148,385.07 and 36,581.46

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Solution

The fourth proportional to 98,910.42, 148,385.07 and 36,581.46 is: 54,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,910.42 : 148,385.07 = 36,581.46 : x
  2. Step 2: Convert to fraction form
    98,910.42/148,385.07 = 36,581.46/x
  3. Step 3: Cross multiply
    98,910.42x = 148,385.07 × 36,581.46
  4. Step 4: Simplify right side
    98,910.42x = 5,428,142,502.80
  5. Step 5: Solve for x
    x = 5,428,142,502.80/98,910.42
  6. Step 6: Final answer
    x = 54,879.38

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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.