Home / 52,212.20-78,325.58-25,909.88

Finding the Fourth Proportional to 52,212.20, 78,325.58 and 25,909.88

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Solution

The fourth proportional to 52,212.20, 78,325.58 and 25,909.88 is: 38,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.20 : 78,325.58 = 25,909.88 : x
  2. Step 2: Convert to fraction form
    52,212.20/78,325.58 = 25,909.88/x
  3. Step 3: Cross multiply
    52,212.20x = 78,325.58 × 25,909.88
  4. Step 4: Simplify right side
    52,212.20x = 2,029,406,051.88
  5. Step 5: Solve for x
    x = 2,029,406,051.88/52,212.20
  6. Step 6: Final answer
    x = 38,868.43

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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.