Home / 51,122.75-76,689.59-15,584.00

Finding the Fourth Proportional to 51,122.75, 76,689.59 and 15,584.00

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Solution

The fourth proportional to 51,122.75, 76,689.59 and 15,584.00 is: 23,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.75 : 76,689.59 = 15,584.00 : x
  2. Step 2: Convert to fraction form
    51,122.75/76,689.59 = 15,584.00/x
  3. Step 3: Cross multiply
    51,122.75x = 76,689.59 × 15,584.00
  4. Step 4: Simplify right side
    51,122.75x = 1,195,130,109.19
  5. Step 5: Solve for x
    x = 1,195,130,109.19/51,122.75
  6. Step 6: Final answer
    x = 23,377.66

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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.