Home / 61,901.10-92,836.69-28,589.13

Finding the Fourth Proportional to 61,901.10, 92,836.69 and 28,589.13

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Solution

The fourth proportional to 61,901.10, 92,836.69 and 28,589.13 is: 42,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,901.10 : 92,836.69 = 28,589.13 : x
  2. Step 2: Convert to fraction form
    61,901.10/92,836.69 = 28,589.13/x
  3. Step 3: Cross multiply
    61,901.10x = 92,836.69 × 28,589.13
  4. Step 4: Simplify right side
    61,901.10x = 2,654,120,127.71
  5. Step 5: Solve for x
    x = 2,654,120,127.71/61,901.10
  6. Step 6: Final answer
    x = 42,876.78

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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.