Home / 66,252.60-91,449.14-40,766.76

Finding the Fourth Proportional to 66,252.60, 91,449.14 and 40,766.76

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Solution

The fourth proportional to 66,252.60, 91,449.14 and 40,766.76 is: 56,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,252.60 : 91,449.14 = 40,766.76 : x
  2. Step 2: Convert to fraction form
    66,252.60/91,449.14 = 40,766.76/x
  3. Step 3: Cross multiply
    66,252.60x = 91,449.14 × 40,766.76
  4. Step 4: Simplify right side
    66,252.60x = 3,728,084,938.75
  5. Step 5: Solve for x
    x = 3,728,084,938.75/66,252.60
  6. Step 6: Final answer
    x = 56,270.77

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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.