Home / 51,475.56-77,063.10-31,694.76

Finding the Fourth Proportional to 51,475.56, 77,063.10 and 31,694.76

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Solution

The fourth proportional to 51,475.56, 77,063.10 and 31,694.76 is: 47,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475.56 : 77,063.10 = 31,694.76 : x
  2. Step 2: Convert to fraction form
    51,475.56/77,063.10 = 31,694.76/x
  3. Step 3: Cross multiply
    51,475.56x = 77,063.10 × 31,694.76
  4. Step 4: Simplify right side
    51,475.56x = 2,442,496,459.36
  5. Step 5: Solve for x
    x = 2,442,496,459.36/51,475.56
  6. Step 6: Final answer
    x = 47,449.63

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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.