Home / 56,358.58-77,773.88-31,207.54

Finding the Fourth Proportional to 56,358.58, 77,773.88 and 31,207.54

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Solution

The fourth proportional to 56,358.58, 77,773.88 and 31,207.54 is: 43,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.58 : 77,773.88 = 31,207.54 : x
  2. Step 2: Convert to fraction form
    56,358.58/77,773.88 = 31,207.54/x
  3. Step 3: Cross multiply
    56,358.58x = 77,773.88 × 31,207.54
  4. Step 4: Simplify right side
    56,358.58x = 2,427,131,471.06
  5. Step 5: Solve for x
    x = 2,427,131,471.06/56,358.58
  6. Step 6: Final answer
    x = 43,065.87

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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.