Home / 51,521.25-77,229.59-29,288.69

Finding the Fourth Proportional to 51,521.25, 77,229.59 and 29,288.69

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Solution

The fourth proportional to 51,521.25, 77,229.59 and 29,288.69 is: 43,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521.25 : 77,229.59 = 29,288.69 : x
  2. Step 2: Convert to fraction form
    51,521.25/77,229.59 = 29,288.69/x
  3. Step 3: Cross multiply
    51,521.25x = 77,229.59 × 29,288.69
  4. Step 4: Simplify right side
    51,521.25x = 2,261,953,520.34
  5. Step 5: Solve for x
    x = 2,261,953,520.34/51,521.25
  6. Step 6: Final answer
    x = 43,903.31

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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.