Home / 83,118.24-114,701.40-45,392.64

Finding the Fourth Proportional to 83,118.24, 114,701.40 and 45,392.64

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Solution

The fourth proportional to 83,118.24, 114,701.40 and 45,392.64 is: 62,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118.24 : 114,701.40 = 45,392.64 : x
  2. Step 2: Convert to fraction form
    83,118.24/114,701.40 = 45,392.64/x
  3. Step 3: Cross multiply
    83,118.24x = 114,701.40 × 45,392.64
  4. Step 4: Simplify right side
    83,118.24x = 5,206,599,357.70
  5. Step 5: Solve for x
    x = 5,206,599,357.70/83,118.24
  6. Step 6: Final answer
    x = 62,640.88

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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.