Home / 77,331.77-115,972.95-24,728.75

Finding the Fourth Proportional to 77,331.77, 115,972.95 and 24,728.75

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Solution

The fourth proportional to 77,331.77, 115,972.95 and 24,728.75 is: 37,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.77 : 115,972.95 = 24,728.75 : x
  2. Step 2: Convert to fraction form
    77,331.77/115,972.95 = 24,728.75/x
  3. Step 3: Cross multiply
    77,331.77x = 115,972.95 × 24,728.75
  4. Step 4: Simplify right side
    77,331.77x = 2,867,866,087.31
  5. Step 5: Solve for x
    x = 2,867,866,087.31/77,331.77
  6. Step 6: Final answer
    x = 37,085.22

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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.