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Finding the Fourth Proportional to 60,013.98, 89,880.84 and 47,449.62

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Solution

The fourth proportional to 60,013.98, 89,880.84 and 47,449.62 is: 71,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,013.98 : 89,880.84 = 47,449.62 : x
  2. Step 2: Convert to fraction form
    60,013.98/89,880.84 = 47,449.62/x
  3. Step 3: Cross multiply
    60,013.98x = 89,880.84 × 47,449.62
  4. Step 4: Simplify right side
    60,013.98x = 4,264,811,703.28
  5. Step 5: Solve for x
    x = 4,264,811,703.28/60,013.98
  6. Step 6: Final answer
    x = 71,063.64

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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.