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Finding the Fourth Proportional to 71,482.58, 98,644.05 and 41,266.88

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Solution

The fourth proportional to 71,482.58, 98,644.05 and 41,266.88 is: 56,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,482.58 : 98,644.05 = 41,266.88 : x
  2. Step 2: Convert to fraction form
    71,482.58/98,644.05 = 41,266.88/x
  3. Step 3: Cross multiply
    71,482.58x = 98,644.05 × 41,266.88
  4. Step 4: Simplify right side
    71,482.58x = 4,070,731,680.84
  5. Step 5: Solve for x
    x = 4,070,731,680.84/71,482.58
  6. Step 6: Final answer
    x = 56,947.19

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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.