Home / 95,629.86-131,895.05-61,643.88

Finding the Fourth Proportional to 95,629.86, 131,895.05 and 61,643.88

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Solution

The fourth proportional to 95,629.86, 131,895.05 and 61,643.88 is: 85,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,629.86 : 131,895.05 = 61,643.88 : x
  2. Step 2: Convert to fraction form
    95,629.86/131,895.05 = 61,643.88/x
  3. Step 3: Cross multiply
    95,629.86x = 131,895.05 × 61,643.88
  4. Step 4: Simplify right side
    95,629.86x = 8,130,522,326.57
  5. Step 5: Solve for x
    x = 8,130,522,326.57/95,629.86
  6. Step 6: Final answer
    x = 85,020.75

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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.