Home / 79,867.43-119,699.37-42,445.43

Finding the Fourth Proportional to 79,867.43, 119,699.37 and 42,445.43

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Solution

The fourth proportional to 79,867.43, 119,699.37 and 42,445.43 is: 63,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,867.43 : 119,699.37 = 42,445.43 : x
  2. Step 2: Convert to fraction form
    79,867.43/119,699.37 = 42,445.43/x
  3. Step 3: Cross multiply
    79,867.43x = 119,699.37 × 42,445.43
  4. Step 4: Simplify right side
    79,867.43x = 5,080,691,230.38
  5. Step 5: Solve for x
    x = 5,080,691,230.38/79,867.43
  6. Step 6: Final answer
    x = 63,614.06

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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.