Home / 55,932.93-83,921.27-20,864.39

Finding the Fourth Proportional to 55,932.93, 83,921.27 and 20,864.39

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Solution

The fourth proportional to 55,932.93, 83,921.27 and 20,864.39 is: 31,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,932.93 : 83,921.27 = 20,864.39 : x
  2. Step 2: Convert to fraction form
    55,932.93/83,921.27 = 20,864.39/x
  3. Step 3: Cross multiply
    55,932.93x = 83,921.27 × 20,864.39
  4. Step 4: Simplify right side
    55,932.93x = 1,750,965,582.65
  5. Step 5: Solve for x
    x = 1,750,965,582.65/55,932.93
  6. Step 6: Final answer
    x = 31,304.74

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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.