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Finding the Fourth Proportional to 60,880.84, 91,318.41 and 15,902.22

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Solution

The fourth proportional to 60,880.84, 91,318.41 and 15,902.22 is: 23,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,880.84 : 91,318.41 = 15,902.22 : x
  2. Step 2: Convert to fraction form
    60,880.84/91,318.41 = 15,902.22/x
  3. Step 3: Cross multiply
    60,880.84x = 91,318.41 × 15,902.22
  4. Step 4: Simplify right side
    60,880.84x = 1,452,165,833.04
  5. Step 5: Solve for x
    x = 1,452,165,833.04/60,880.84
  6. Step 6: Final answer
    x = 23,852.59

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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.