Home / 54,980.32-82,471.92-31,595.68

Finding the Fourth Proportional to 54,980.32, 82,471.92 and 31,595.68

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Solution

The fourth proportional to 54,980.32, 82,471.92 and 31,595.68 is: 47,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.32 : 82,471.92 = 31,595.68 : x
  2. Step 2: Convert to fraction form
    54,980.32/82,471.92 = 31,595.68/x
  3. Step 3: Cross multiply
    54,980.32x = 82,471.92 × 31,595.68
  4. Step 4: Simplify right side
    54,980.32x = 2,605,756,393.31
  5. Step 5: Solve for x
    x = 2,605,756,393.31/54,980.32
  6. Step 6: Final answer
    x = 47,394.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.