Home / 79,613.70-119,322.12-40,182.10

Finding the Fourth Proportional to 79,613.70, 119,322.12 and 40,182.10

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Solution

The fourth proportional to 79,613.70, 119,322.12 and 40,182.10 is: 60,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,613.70 : 119,322.12 = 40,182.10 : x
  2. Step 2: Convert to fraction form
    79,613.70/119,322.12 = 40,182.10/x
  3. Step 3: Cross multiply
    79,613.70x = 119,322.12 × 40,182.10
  4. Step 4: Simplify right side
    79,613.70x = 4,794,613,358.05
  5. Step 5: Solve for x
    x = 4,794,613,358.05/79,613.70
  6. Step 6: Final answer
    x = 60,223.47

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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.