Home / 72,377.73-99,883.23-40,545.93

Finding the Fourth Proportional to 72,377.73, 99,883.23 and 40,545.93

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Solution

The fourth proportional to 72,377.73, 99,883.23 and 40,545.93 is: 55,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,377.73 : 99,883.23 = 40,545.93 : x
  2. Step 2: Convert to fraction form
    72,377.73/99,883.23 = 40,545.93/x
  3. Step 3: Cross multiply
    72,377.73x = 99,883.23 × 40,545.93
  4. Step 4: Simplify right side
    72,377.73x = 4,049,858,451.75
  5. Step 5: Solve for x
    x = 4,049,858,451.75/72,377.73
  6. Step 6: Final answer
    x = 55,954.48

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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.