Home / 51,158.03-76,747.45-21,575.97

Finding the Fourth Proportional to 51,158.03, 76,747.45 and 21,575.97

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Solution

The fourth proportional to 51,158.03, 76,747.45 and 21,575.97 is: 32,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158.03 : 76,747.45 = 21,575.97 : x
  2. Step 2: Convert to fraction form
    51,158.03/76,747.45 = 21,575.97/x
  3. Step 3: Cross multiply
    51,158.03x = 76,747.45 × 21,575.97
  4. Step 4: Simplify right side
    51,158.03x = 1,655,900,665.29
  5. Step 5: Solve for x
    x = 1,655,900,665.29/51,158.03
  6. Step 6: Final answer
    x = 32,368.34

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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.