Home / 52,446.42-78,650.16-28,425.96

Finding the Fourth Proportional to 52,446.42, 78,650.16 and 28,425.96

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Solution

The fourth proportional to 52,446.42, 78,650.16 and 28,425.96 is: 42,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,446.42 : 78,650.16 = 28,425.96 : x
  2. Step 2: Convert to fraction form
    52,446.42/78,650.16 = 28,425.96/x
  3. Step 3: Cross multiply
    52,446.42x = 78,650.16 × 28,425.96
  4. Step 4: Simplify right side
    52,446.42x = 2,235,706,302.15
  5. Step 5: Solve for x
    x = 2,235,706,302.15/52,446.42
  6. Step 6: Final answer
    x = 42,628.39

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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.