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Finding the Fourth Proportional to 60,222.91, 83,121.42 and 40,080.64

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Solution

The fourth proportional to 60,222.91, 83,121.42 and 40,080.64 is: 55,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,222.91 : 83,121.42 = 40,080.64 : x
  2. Step 2: Convert to fraction form
    60,222.91/83,121.42 = 40,080.64/x
  3. Step 3: Cross multiply
    60,222.91x = 83,121.42 × 40,080.64
  4. Step 4: Simplify right side
    60,222.91x = 3,331,559,711.31
  5. Step 5: Solve for x
    x = 3,331,559,711.31/60,222.91
  6. Step 6: Final answer
    x = 55,320.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.