Home / 88,240.25-121,772.33-47,954.02

Finding the Fourth Proportional to 88,240.25, 121,772.33 and 47,954.02

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Solution

The fourth proportional to 88,240.25, 121,772.33 and 47,954.02 is: 66,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,240.25 : 121,772.33 = 47,954.02 : x
  2. Step 2: Convert to fraction form
    88,240.25/121,772.33 = 47,954.02/x
  3. Step 3: Cross multiply
    88,240.25x = 121,772.33 × 47,954.02
  4. Step 4: Simplify right side
    88,240.25x = 5,839,472,139.40
  5. Step 5: Solve for x
    x = 5,839,472,139.40/88,240.25
  6. Step 6: Final answer
    x = 66,176.97

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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.