Home / 54,085.39-74,589.36-45,040.71

Finding the Fourth Proportional to 54,085.39, 74,589.36 and 45,040.71

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Solution

The fourth proportional to 54,085.39, 74,589.36 and 45,040.71 is: 62,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.39 : 74,589.36 = 45,040.71 : x
  2. Step 2: Convert to fraction form
    54,085.39/74,589.36 = 45,040.71/x
  3. Step 3: Cross multiply
    54,085.39x = 74,589.36 × 45,040.71
  4. Step 4: Simplify right side
    54,085.39x = 3,359,557,359.90
  5. Step 5: Solve for x
    x = 3,359,557,359.90/54,085.39
  6. Step 6: Final answer
    x = 62,115.80

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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.