Home / 90,471.54-124,850.61-50,191.41

Finding the Fourth Proportional to 90,471.54, 124,850.61 and 50,191.41

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Solution

The fourth proportional to 90,471.54, 124,850.61 and 50,191.41 is: 69,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,471.54 : 124,850.61 = 50,191.41 : x
  2. Step 2: Convert to fraction form
    90,471.54/124,850.61 = 50,191.41/x
  3. Step 3: Cross multiply
    90,471.54x = 124,850.61 × 50,191.41
  4. Step 4: Simplify right side
    90,471.54x = 6,266,428,155.26
  5. Step 5: Solve for x
    x = 6,266,428,155.26/90,471.54
  6. Step 6: Final answer
    x = 69,264.08

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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.