Home / 95,021.16-131,132.70-61,487.16

Finding the Fourth Proportional to 95,021.16, 131,132.70 and 61,487.16

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Solution

The fourth proportional to 95,021.16, 131,132.70 and 61,487.16 is: 84,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,021.16 : 131,132.70 = 61,487.16 : x
  2. Step 2: Convert to fraction form
    95,021.16/131,132.70 = 61,487.16/x
  3. Step 3: Cross multiply
    95,021.16x = 131,132.70 × 61,487.16
  4. Step 4: Simplify right side
    95,021.16x = 8,062,977,306.13
  5. Step 5: Solve for x
    x = 8,062,977,306.13/95,021.16
  6. Step 6: Final answer
    x = 84,854.55

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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.