Home / 102,317.32-141,192.38-56,375.42

Finding the Fourth Proportional to 102,317.32, 141,192.38 and 56,375.42

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Solution

The fourth proportional to 102,317.32, 141,192.38 and 56,375.42 is: 77,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,317.32 : 141,192.38 = 56,375.42 : x
  2. Step 2: Convert to fraction form
    102,317.32/141,192.38 = 56,375.42/x
  3. Step 3: Cross multiply
    102,317.32x = 141,192.38 × 56,375.42
  4. Step 4: Simplify right side
    102,317.32x = 7,959,780,217.22
  5. Step 5: Solve for x
    x = 7,959,780,217.22/102,317.32
  6. Step 6: Final answer
    x = 77,795.04

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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.