Home / 48,876.85-73,319.56-13,816.51

Finding the Fourth Proportional to 48,876.85, 73,319.56 and 13,816.51

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Solution

The fourth proportional to 48,876.85, 73,319.56 and 13,816.51 is: 20,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,876.85 : 73,319.56 = 13,816.51 : x
  2. Step 2: Convert to fraction form
    48,876.85/73,319.56 = 13,816.51/x
  3. Step 3: Cross multiply
    48,876.85x = 73,319.56 × 13,816.51
  4. Step 4: Simplify right side
    48,876.85x = 1,013,020,293.81
  5. Step 5: Solve for x
    x = 1,013,020,293.81/48,876.85
  6. Step 6: Final answer
    x = 20,725.97

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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.