Home / 83,175.36-114,782.10-45,449.64

Finding the Fourth Proportional to 83,175.36, 114,782.10 and 45,449.64

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Solution

The fourth proportional to 83,175.36, 114,782.10 and 45,449.64 is: 62,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,175.36 : 114,782.10 = 45,449.64 : x
  2. Step 2: Convert to fraction form
    83,175.36/114,782.10 = 45,449.64/x
  3. Step 3: Cross multiply
    83,175.36x = 114,782.10 × 45,449.64
  4. Step 4: Simplify right side
    83,175.36x = 5,216,805,123.44
  5. Step 5: Solve for x
    x = 5,216,805,123.44/83,175.36
  6. Step 6: Final answer
    x = 62,720.56

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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.