Home / 56,079.81-84,123.30-39,161.65

Finding the Fourth Proportional to 56,079.81, 84,123.30 and 39,161.65

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Solution

The fourth proportional to 56,079.81, 84,123.30 and 39,161.65 is: 58,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079.81 : 84,123.30 = 39,161.65 : x
  2. Step 2: Convert to fraction form
    56,079.81/84,123.30 = 39,161.65/x
  3. Step 3: Cross multiply
    56,079.81x = 84,123.30 × 39,161.65
  4. Step 4: Simplify right side
    56,079.81x = 3,294,407,286.97
  5. Step 5: Solve for x
    x = 3,294,407,286.97/56,079.81
  6. Step 6: Final answer
    x = 58,744.98

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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.