Home / 112,876.12-169,387.42-48,896.76

Finding the Fourth Proportional to 112,876.12, 169,387.42 and 48,896.76

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Solution

The fourth proportional to 112,876.12, 169,387.42 and 48,896.76 is: 73,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,876.12 : 169,387.42 = 48,896.76 : x
  2. Step 2: Convert to fraction form
    112,876.12/169,387.42 = 48,896.76/x
  3. Step 3: Cross multiply
    112,876.12x = 169,387.42 × 48,896.76
  4. Step 4: Simplify right side
    112,876.12x = 8,282,496,730.54
  5. Step 5: Solve for x
    x = 8,282,496,730.54/112,876.12
  6. Step 6: Final answer
    x = 73,376.87

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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.