Home / 79,890.61-110,248.61-43,592.04

Finding the Fourth Proportional to 79,890.61, 110,248.61 and 43,592.04

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Solution

The fourth proportional to 79,890.61, 110,248.61 and 43,592.04 is: 60,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.61 : 110,248.61 = 43,592.04 : x
  2. Step 2: Convert to fraction form
    79,890.61/110,248.61 = 43,592.04/x
  3. Step 3: Cross multiply
    79,890.61x = 110,248.61 × 43,592.04
  4. Step 4: Simplify right side
    79,890.61x = 4,805,961,926.04
  5. Step 5: Solve for x
    x = 4,805,961,926.04/79,890.61
  6. Step 6: Final answer
    x = 60,156.78

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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.