Home / 91,625.44-137,468.91-49,509.29

Finding the Fourth Proportional to 91,625.44, 137,468.91 and 49,509.29

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Solution

The fourth proportional to 91,625.44, 137,468.91 and 49,509.29 is: 74,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,625.44 : 137,468.91 = 49,509.29 : x
  2. Step 2: Convert to fraction form
    91,625.44/137,468.91 = 49,509.29/x
  3. Step 3: Cross multiply
    91,625.44x = 137,468.91 × 49,509.29
  4. Step 4: Simplify right side
    91,625.44x = 6,805,987,443.83
  5. Step 5: Solve for x
    x = 6,805,987,443.83/91,625.44
  6. Step 6: Final answer
    x = 74,280.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.