Home / 56,795.33-78,377.55-31,301.70

Finding the Fourth Proportional to 56,795.33, 78,377.55 and 31,301.70

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Solution

The fourth proportional to 56,795.33, 78,377.55 and 31,301.70 is: 43,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795.33 : 78,377.55 = 31,301.70 : x
  2. Step 2: Convert to fraction form
    56,795.33/78,377.55 = 31,301.70/x
  3. Step 3: Cross multiply
    56,795.33x = 78,377.55 × 31,301.70
  4. Step 4: Simplify right side
    56,795.33x = 2,453,350,556.84
  5. Step 5: Solve for x
    x = 2,453,350,556.84/56,795.33
  6. Step 6: Final answer
    x = 43,196.34

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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.