Home / 52,150.70-78,168.45-28,793.90

Finding the Fourth Proportional to 52,150.70, 78,168.45 and 28,793.90

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Solution

The fourth proportional to 52,150.70, 78,168.45 and 28,793.90 is: 43,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150.70 : 78,168.45 = 28,793.90 : x
  2. Step 2: Convert to fraction form
    52,150.70/78,168.45 = 28,793.90/x
  3. Step 3: Cross multiply
    52,150.70x = 78,168.45 × 28,793.90
  4. Step 4: Simplify right side
    52,150.70x = 2,250,774,532.46
  5. Step 5: Solve for x
    x = 2,250,774,532.46/52,150.70
  6. Step 6: Final answer
    x = 43,159.05

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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.