Home / 95,172.11-131,479.71-62,543.69

Finding the Fourth Proportional to 95,172.11, 131,479.71 and 62,543.69

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Solution

The fourth proportional to 95,172.11, 131,479.71 and 62,543.69 is: 86,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,172.11 : 131,479.71 = 62,543.69 : x
  2. Step 2: Convert to fraction form
    95,172.11/131,479.71 = 62,543.69/x
  3. Step 3: Cross multiply
    95,172.11x = 131,479.71 × 62,543.69
  4. Step 4: Simplify right side
    95,172.11x = 8,223,226,223.53
  5. Step 5: Solve for x
    x = 8,223,226,223.53/95,172.11
  6. Step 6: Final answer
    x = 86,403.74

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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.