Home / 83,453.25-115,165.49-45,726.69

Finding the Fourth Proportional to 83,453.25, 115,165.49 and 45,726.69

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Solution

The fourth proportional to 83,453.25, 115,165.49 and 45,726.69 is: 63,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,453.25 : 115,165.49 = 45,726.69 : x
  2. Step 2: Convert to fraction form
    83,453.25/115,165.49 = 45,726.69/x
  3. Step 3: Cross multiply
    83,453.25x = 115,165.49 × 45,726.69
  4. Step 4: Simplify right side
    83,453.25x = 5,266,136,431.29
  5. Step 5: Solve for x
    x = 5,266,136,431.29/83,453.25
  6. Step 6: Final answer
    x = 63,102.83

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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.