Home / 56,793.92-78,376.13-31,301.19

Finding the Fourth Proportional to 56,793.92, 78,376.13 and 31,301.19

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Solution

The fourth proportional to 56,793.92, 78,376.13 and 31,301.19 is: 43,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793.92 : 78,376.13 = 31,301.19 : x
  2. Step 2: Convert to fraction form
    56,793.92/78,376.13 = 31,301.19/x
  3. Step 3: Cross multiply
    56,793.92x = 78,376.13 × 31,301.19
  4. Step 4: Simplify right side
    56,793.92x = 2,453,266,176.03
  5. Step 5: Solve for x
    x = 2,453,266,176.03/56,793.92
  6. Step 6: Final answer
    x = 43,195.93

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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.