Home / 56,601.87-78,107.53-31,449.75

Finding the Fourth Proportional to 56,601.87, 78,107.53 and 31,449.75

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Solution

The fourth proportional to 56,601.87, 78,107.53 and 31,449.75 is: 43,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,601.87 : 78,107.53 = 31,449.75 : x
  2. Step 2: Convert to fraction form
    56,601.87/78,107.53 = 31,449.75/x
  3. Step 3: Cross multiply
    56,601.87x = 78,107.53 × 31,449.75
  4. Step 4: Simplify right side
    56,601.87x = 2,456,462,291.62
  5. Step 5: Solve for x
    x = 2,456,462,291.62/56,601.87
  6. Step 6: Final answer
    x = 43,398.96

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1.5x scale

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.