Home / 71,935.08-99,269.33-40,103.16

Finding the Fourth Proportional to 71,935.08, 99,269.33 and 40,103.16

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Solution

The fourth proportional to 71,935.08, 99,269.33 and 40,103.16 is: 55,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.08 : 99,269.33 = 40,103.16 : x
  2. Step 2: Convert to fraction form
    71,935.08/99,269.33 = 40,103.16/x
  3. Step 3: Cross multiply
    71,935.08x = 99,269.33 × 40,103.16
  4. Step 4: Simplify right side
    71,935.08x = 3,981,013,623.57
  5. Step 5: Solve for x
    x = 3,981,013,623.57/71,935.08
  6. Step 6: Final answer
    x = 55,341.76

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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.