Home / 80,827.68-111,545.66-45,017.70

Finding the Fourth Proportional to 80,827.68, 111,545.66 and 45,017.70

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Solution

The fourth proportional to 80,827.68, 111,545.66 and 45,017.70 is: 62,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827.68 : 111,545.66 = 45,017.70 : x
  2. Step 2: Convert to fraction form
    80,827.68/111,545.66 = 45,017.70/x
  3. Step 3: Cross multiply
    80,827.68x = 111,545.66 × 45,017.70
  4. Step 4: Simplify right side
    80,827.68x = 5,021,528,833.09
  5. Step 5: Solve for x
    x = 5,021,528,833.09/80,827.68
  6. Step 6: Final answer
    x = 62,126.35

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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.