Home / 91,838.73-137,811.26-38,525.95

Finding the Fourth Proportional to 91,838.73, 137,811.26 and 38,525.95

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Solution

The fourth proportional to 91,838.73, 137,811.26 and 38,525.95 is: 57,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,838.73 : 137,811.26 = 38,525.95 : x
  2. Step 2: Convert to fraction form
    91,838.73/137,811.26 = 38,525.95/x
  3. Step 3: Cross multiply
    91,838.73x = 137,811.26 × 38,525.95
  4. Step 4: Simplify right side
    91,838.73x = 5,309,309,712.20
  5. Step 5: Solve for x
    x = 5,309,309,712.20/91,838.73
  6. Step 6: Final answer
    x = 57,811.23

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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.