Home / 49,763.21-74,719.68-42,818.87

Finding the Fourth Proportional to 49,763.21, 74,719.68 and 42,818.87

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Solution

The fourth proportional to 49,763.21, 74,719.68 and 42,818.87 is: 64,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,763.21 : 74,719.68 = 42,818.87 : x
  2. Step 2: Convert to fraction form
    49,763.21/74,719.68 = 42,818.87/x
  3. Step 3: Cross multiply
    49,763.21x = 74,719.68 × 42,818.87
  4. Step 4: Simplify right side
    49,763.21x = 3,199,412,451.16
  5. Step 5: Solve for x
    x = 3,199,412,451.16/49,763.21
  6. Step 6: Final answer
    x = 64,292.73

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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.