Home / 83,700.26-115,507.17-45,974.51

Finding the Fourth Proportional to 83,700.26, 115,507.17 and 45,974.51

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Solution

The fourth proportional to 83,700.26, 115,507.17 and 45,974.51 is: 63,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,700.26 : 115,507.17 = 45,974.51 : x
  2. Step 2: Convert to fraction form
    83,700.26/115,507.17 = 45,974.51/x
  3. Step 3: Cross multiply
    83,700.26x = 115,507.17 × 45,974.51
  4. Step 4: Simplify right side
    83,700.26x = 5,310,384,964.70
  5. Step 5: Solve for x
    x = 5,310,384,964.70/83,700.26
  6. Step 6: Final answer
    x = 63,445.27

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1.5x scale

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.