Home / 83,376.02-115,058.78-45,135.38

Finding the Fourth Proportional to 83,376.02, 115,058.78 and 45,135.38

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Solution

The fourth proportional to 83,376.02, 115,058.78 and 45,135.38 is: 62,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,376.02 : 115,058.78 = 45,135.38 : x
  2. Step 2: Convert to fraction form
    83,376.02/115,058.78 = 45,135.38/x
  3. Step 3: Cross multiply
    83,376.02x = 115,058.78 × 45,135.38
  4. Step 4: Simplify right side
    83,376.02x = 5,193,221,726.65
  5. Step 5: Solve for x
    x = 5,193,221,726.65/83,376.02
  6. Step 6: Final answer
    x = 62,286.76

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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.