Home / 98,755.82-136,285.01-58,454.87

Finding the Fourth Proportional to 98,755.82, 136,285.01 and 58,454.87

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Solution

The fourth proportional to 98,755.82, 136,285.01 and 58,454.87 is: 80,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,755.82 : 136,285.01 = 58,454.87 : x
  2. Step 2: Convert to fraction form
    98,755.82/136,285.01 = 58,454.87/x
  3. Step 3: Cross multiply
    98,755.82x = 136,285.01 × 58,454.87
  4. Step 4: Simplify right side
    98,755.82x = 7,966,522,542.50
  5. Step 5: Solve for x
    x = 7,966,522,542.50/98,755.82
  6. Step 6: Final answer
    x = 80,668.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.