Home / 64,306.80-88,716.14-40,424.76

Finding the Fourth Proportional to 64,306.80, 88,716.14 and 40,424.76

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Solution

The fourth proportional to 64,306.80, 88,716.14 and 40,424.76 is: 55,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.80 : 88,716.14 = 40,424.76 : x
  2. Step 2: Convert to fraction form
    64,306.80/88,716.14 = 40,424.76/x
  3. Step 3: Cross multiply
    64,306.80x = 88,716.14 × 40,424.76
  4. Step 4: Simplify right side
    64,306.80x = 3,586,328,465.50
  5. Step 5: Solve for x
    x = 3,586,328,465.50/64,306.80
  6. Step 6: Final answer
    x = 55,769.04

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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.