Home / 56,348.81-77,761.37-31,198.31

Finding the Fourth Proportional to 56,348.81, 77,761.37 and 31,198.31

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Solution

The fourth proportional to 56,348.81, 77,761.37 and 31,198.31 is: 43,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,348.81 : 77,761.37 = 31,198.31 : x
  2. Step 2: Convert to fraction form
    56,348.81/77,761.37 = 31,198.31/x
  3. Step 3: Cross multiply
    56,348.81x = 77,761.37 × 31,198.31
  4. Step 4: Simplify right side
    56,348.81x = 2,426,023,365.70
  5. Step 5: Solve for x
    x = 2,426,023,365.70/56,348.81
  6. Step 6: Final answer
    x = 43,053.67

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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.