Home / 65,532.11-90,464.76-49,405.95

Finding the Fourth Proportional to 65,532.11, 90,464.76 and 49,405.95

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Solution

The fourth proportional to 65,532.11, 90,464.76 and 49,405.95 is: 68,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,532.11 : 90,464.76 = 49,405.95 : x
  2. Step 2: Convert to fraction form
    65,532.11/90,464.76 = 49,405.95/x
  3. Step 3: Cross multiply
    65,532.11x = 90,464.76 × 49,405.95
  4. Step 4: Simplify right side
    65,532.11x = 4,469,497,409.32
  5. Step 5: Solve for x
    x = 4,469,497,409.32/65,532.11
  6. Step 6: Final answer
    x = 68,203.17

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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.