Home / 74,446.42-102,742.35-40,919.38

Finding the Fourth Proportional to 74,446.42, 102,742.35 and 40,919.38

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Solution

The fourth proportional to 74,446.42, 102,742.35 and 40,919.38 is: 56,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,446.42 : 102,742.35 = 40,919.38 : x
  2. Step 2: Convert to fraction form
    74,446.42/102,742.35 = 40,919.38/x
  3. Step 3: Cross multiply
    74,446.42x = 102,742.35 × 40,919.38
  4. Step 4: Simplify right side
    74,446.42x = 4,204,153,158.33
  5. Step 5: Solve for x
    x = 4,204,153,158.33/74,446.42
  6. Step 6: Final answer
    x = 56,472.20

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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.