Home / 95,725.85-143,275.76-70,418.61

Finding the Fourth Proportional to 95,725.85, 143,275.76 and 70,418.61

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Solution

The fourth proportional to 95,725.85, 143,275.76 and 70,418.61 is: 105,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,725.85 : 143,275.76 = 70,418.61 : x
  2. Step 2: Convert to fraction form
    95,725.85/143,275.76 = 70,418.61/x
  3. Step 3: Cross multiply
    95,725.85x = 143,275.76 × 70,418.61
  4. Step 4: Simplify right side
    95,725.85x = 10,089,279,513.80
  5. Step 5: Solve for x
    x = 10,089,279,513.80/95,725.85
  6. Step 6: Final answer
    x = 105,397.65

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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.