Home / 51,412.24-77,065.84-29,178.66

Finding the Fourth Proportional to 51,412.24, 77,065.84 and 29,178.66

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Solution

The fourth proportional to 51,412.24, 77,065.84 and 29,178.66 is: 43,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.24 : 77,065.84 = 29,178.66 : x
  2. Step 2: Convert to fraction form
    51,412.24/77,065.84 = 29,178.66/x
  3. Step 3: Cross multiply
    51,412.24x = 77,065.84 × 29,178.66
  4. Step 4: Simplify right side
    51,412.24x = 2,248,677,942.97
  5. Step 5: Solve for x
    x = 2,248,677,942.97/51,412.24
  6. Step 6: Final answer
    x = 43,738.18

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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.