Home / 55,377.20-83,078.52-15,934.64

Finding the Fourth Proportional to 55,377.20, 83,078.52 and 15,934.64

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Solution

The fourth proportional to 55,377.20, 83,078.52 and 15,934.64 is: 23,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.20 : 83,078.52 = 15,934.64 : x
  2. Step 2: Convert to fraction form
    55,377.20/83,078.52 = 15,934.64/x
  3. Step 3: Cross multiply
    55,377.20x = 83,078.52 × 15,934.64
  4. Step 4: Simplify right side
    55,377.20x = 1,323,826,307.93
  5. Step 5: Solve for x
    x = 1,323,826,307.93/55,377.20
  6. Step 6: Final answer
    x = 23,905.62

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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.