Home / 56,966.22-78,617.97-31,474.82

Finding the Fourth Proportional to 56,966.22, 78,617.97 and 31,474.82

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Solution

The fourth proportional to 56,966.22, 78,617.97 and 31,474.82 is: 43,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,966.22 : 78,617.97 = 31,474.82 : x
  2. Step 2: Convert to fraction form
    56,966.22/78,617.97 = 31,474.82/x
  3. Step 3: Cross multiply
    56,966.22x = 78,617.97 × 31,474.82
  4. Step 4: Simplify right side
    56,966.22x = 2,474,486,061.43
  5. Step 5: Solve for x
    x = 2,474,486,061.43/56,966.22
  6. Step 6: Final answer
    x = 43,437.78

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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.