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Finding the Fourth Proportional to 71,043.68, 98,075.88 and 44,194.88

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Solution

The fourth proportional to 71,043.68, 98,075.88 and 44,194.88 is: 61,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.68 : 98,075.88 = 44,194.88 : x
  2. Step 2: Convert to fraction form
    71,043.68/98,075.88 = 44,194.88/x
  3. Step 3: Cross multiply
    71,043.68x = 98,075.88 × 44,194.88
  4. Step 4: Simplify right side
    71,043.68x = 4,334,451,747.49
  5. Step 5: Solve for x
    x = 4,334,451,747.49/71,043.68
  6. Step 6: Final answer
    x = 61,011.08

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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.