Home / 52,373.08-78,520.38-31,591.72

Finding the Fourth Proportional to 52,373.08, 78,520.38 and 31,591.72

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Solution

The fourth proportional to 52,373.08, 78,520.38 and 31,591.72 is: 47,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,373.08 : 78,520.38 = 31,591.72 : x
  2. Step 2: Convert to fraction form
    52,373.08/78,520.38 = 31,591.72/x
  3. Step 3: Cross multiply
    52,373.08x = 78,520.38 × 31,591.72
  4. Step 4: Simplify right side
    52,373.08x = 2,480,593,859.25
  5. Step 5: Solve for x
    x = 2,480,593,859.25/52,373.08
  6. Step 6: Final answer
    x = 47,363.91

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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.