Home / 60,967.28-91,427.94-20,974.95

Finding the Fourth Proportional to 60,967.28, 91,427.94 and 20,974.95

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Solution

The fourth proportional to 60,967.28, 91,427.94 and 20,974.95 is: 31,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,967.28 : 91,427.94 = 20,974.95 : x
  2. Step 2: Convert to fraction form
    60,967.28/91,427.94 = 20,974.95/x
  3. Step 3: Cross multiply
    60,967.28x = 91,427.94 × 20,974.95
  4. Step 4: Simplify right side
    60,967.28x = 1,917,696,470.10
  5. Step 5: Solve for x
    x = 1,917,696,470.10/60,967.28
  6. Step 6: Final answer
    x = 31,454.52

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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.