Home / 71,965.88-107,956.02-22,045.40

Finding the Fourth Proportional to 71,965.88, 107,956.02 and 22,045.40

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Solution

The fourth proportional to 71,965.88, 107,956.02 and 22,045.40 is: 33,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965.88 : 107,956.02 = 22,045.40 : x
  2. Step 2: Convert to fraction form
    71,965.88/107,956.02 = 22,045.40/x
  3. Step 3: Cross multiply
    71,965.88x = 107,956.02 × 22,045.40
  4. Step 4: Simplify right side
    71,965.88x = 2,379,933,643.31
  5. Step 5: Solve for x
    x = 2,379,933,643.31/71,965.88
  6. Step 6: Final answer
    x = 33,070.31

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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.