Home / 79,717.38-119,650.05-40,302.24

Finding the Fourth Proportional to 79,717.38, 119,650.05 and 40,302.24

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Solution

The fourth proportional to 79,717.38, 119,650.05 and 40,302.24 is: 60,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.38 : 119,650.05 = 40,302.24 : x
  2. Step 2: Convert to fraction form
    79,717.38/119,650.05 = 40,302.24/x
  3. Step 3: Cross multiply
    79,717.38x = 119,650.05 × 40,302.24
  4. Step 4: Simplify right side
    79,717.38x = 4,822,165,031.11
  5. Step 5: Solve for x
    x = 4,822,165,031.11/79,717.38
  6. Step 6: Final answer
    x = 60,490.76

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1.5x scale

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.