Home / 56,849.50-78,452.31-31,698.46

Finding the Fourth Proportional to 56,849.50, 78,452.31 and 31,698.46

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Solution

The fourth proportional to 56,849.50, 78,452.31 and 31,698.46 is: 43,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.50 : 78,452.31 = 31,698.46 : x
  2. Step 2: Convert to fraction form
    56,849.50/78,452.31 = 31,698.46/x
  3. Step 3: Cross multiply
    56,849.50x = 78,452.31 × 31,698.46
  4. Step 4: Simplify right side
    56,849.50x = 2,486,817,410.44
  5. Step 5: Solve for x
    x = 2,486,817,410.44/56,849.50
  6. Step 6: Final answer
    x = 43,743.87

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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.