Home / 51,616.98-77,294.26-47,286.72

Finding the Fourth Proportional to 51,616.98, 77,294.26 and 47,286.72

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Solution

The fourth proportional to 51,616.98, 77,294.26 and 47,286.72 is: 70,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616.98 : 77,294.26 = 47,286.72 : x
  2. Step 2: Convert to fraction form
    51,616.98/77,294.26 = 47,286.72/x
  3. Step 3: Cross multiply
    51,616.98x = 77,294.26 × 47,286.72
  4. Step 4: Simplify right side
    51,616.98x = 3,654,992,030.23
  5. Step 5: Solve for x
    x = 3,654,992,030.23/51,616.98
  6. Step 6: Final answer
    x = 70,809.88

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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.