Home / 52,027.32-78,052.50-28,641.72

Finding the Fourth Proportional to 52,027.32, 78,052.50 and 28,641.72

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Solution

The fourth proportional to 52,027.32, 78,052.50 and 28,641.72 is: 42,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,027.32 : 78,052.50 = 28,641.72 : x
  2. Step 2: Convert to fraction form
    52,027.32/78,052.50 = 28,641.72/x
  3. Step 3: Cross multiply
    52,027.32x = 78,052.50 × 28,641.72
  4. Step 4: Simplify right side
    52,027.32x = 2,235,557,850.30
  5. Step 5: Solve for x
    x = 2,235,557,850.30/52,027.32
  6. Step 6: Final answer
    x = 42,968.92

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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.