Home / 51,097.20-76,645.47-19,932.45

Finding the Fourth Proportional to 51,097.20, 76,645.47 and 19,932.45

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Solution

The fourth proportional to 51,097.20, 76,645.47 and 19,932.45 is: 29,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,097.20 : 76,645.47 = 19,932.45 : x
  2. Step 2: Convert to fraction form
    51,097.20/76,645.47 = 19,932.45/x
  3. Step 3: Cross multiply
    51,097.20x = 76,645.47 × 19,932.45
  4. Step 4: Simplify right side
    51,097.20x = 1,527,732,264.34
  5. Step 5: Solve for x
    x = 1,527,732,264.34/51,097.20
  6. Step 6: Final answer
    x = 29,898.55

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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.