Home / 95,172.12-131,479.72-62,543.70

Finding the Fourth Proportional to 95,172.12, 131,479.72 and 62,543.70

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Solution

The fourth proportional to 95,172.12, 131,479.72 and 62,543.70 is: 86,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,172.12 : 131,479.72 = 62,543.70 : x
  2. Step 2: Convert to fraction form
    95,172.12/131,479.72 = 62,543.70/x
  3. Step 3: Cross multiply
    95,172.12x = 131,479.72 × 62,543.70
  4. Step 4: Simplify right side
    95,172.12x = 8,223,228,163.76
  5. Step 5: Solve for x
    x = 8,223,228,163.76/95,172.12
  6. Step 6: Final answer
    x = 86,403.75

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1.5x scale

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.