Home / 115,613.70-173,434.44-40,718.36

Finding the Fourth Proportional to 115,613.70, 173,434.44 and 40,718.36

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Solution

The fourth proportional to 115,613.70, 173,434.44 and 40,718.36 is: 61,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,613.70 : 173,434.44 = 40,718.36 : x
  2. Step 2: Convert to fraction form
    115,613.70/173,434.44 = 40,718.36/x
  3. Step 3: Cross multiply
    115,613.70x = 173,434.44 × 40,718.36
  4. Step 4: Simplify right side
    115,613.70x = 7,061,965,964.32
  5. Step 5: Solve for x
    x = 7,061,965,964.32/115,613.70
  6. Step 6: Final answer
    x = 61,082.43

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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.