Home / 98,584.13-136,046.10-53,872.13

Finding the Fourth Proportional to 98,584.13, 136,046.10 and 53,872.13

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Solution

The fourth proportional to 98,584.13, 136,046.10 and 53,872.13 is: 74,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,584.13 : 136,046.10 = 53,872.13 : x
  2. Step 2: Convert to fraction form
    98,584.13/136,046.10 = 53,872.13/x
  3. Step 3: Cross multiply
    98,584.13x = 136,046.10 × 53,872.13
  4. Step 4: Simplify right side
    98,584.13x = 7,329,092,504.96
  5. Step 5: Solve for x
    x = 7,329,092,504.96/98,584.13
  6. Step 6: Final answer
    x = 74,343.54

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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.