Home / 52,794.90-72,853.56-28,921.50

Finding the Fourth Proportional to 52,794.90, 72,853.56 and 28,921.50

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Solution

The fourth proportional to 52,794.90, 72,853.56 and 28,921.50 is: 39,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.90 : 72,853.56 = 28,921.50 : x
  2. Step 2: Convert to fraction form
    52,794.90/72,853.56 = 28,921.50/x
  3. Step 3: Cross multiply
    52,794.90x = 72,853.56 × 28,921.50
  4. Step 4: Simplify right side
    52,794.90x = 2,107,034,235.54
  5. Step 5: Solve for x
    x = 2,107,034,235.54/52,794.90
  6. Step 6: Final answer
    x = 39,909.81

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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.