Home / 52,306.96-78,430.90-47,843.69

Finding the Fourth Proportional to 52,306.96, 78,430.90 and 47,843.69

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Solution

The fourth proportional to 52,306.96, 78,430.90 and 47,843.69 is: 71,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,306.96 : 78,430.90 = 47,843.69 : x
  2. Step 2: Convert to fraction form
    52,306.96/78,430.90 = 47,843.69/x
  3. Step 3: Cross multiply
    52,306.96x = 78,430.90 × 47,843.69
  4. Step 4: Simplify right side
    52,306.96x = 3,752,423,666.02
  5. Step 5: Solve for x
    x = 3,752,423,666.02/52,306.96
  6. Step 6: Final answer
    x = 71,738.52

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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.