Home / 52,063.38-78,126.16-47,828.42

Finding the Fourth Proportional to 52,063.38, 78,126.16 and 47,828.42

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Solution

The fourth proportional to 52,063.38, 78,126.16 and 47,828.42 is: 71,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,063.38 : 78,126.16 = 47,828.42 : x
  2. Step 2: Convert to fraction form
    52,063.38/78,126.16 = 47,828.42/x
  3. Step 3: Cross multiply
    52,063.38x = 78,126.16 × 47,828.42
  4. Step 4: Simplify right side
    52,063.38x = 3,736,650,793.47
  5. Step 5: Solve for x
    x = 3,736,650,793.47/52,063.38
  6. Step 6: Final answer
    x = 71,771.19

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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.