Home / 75,787.05-113,680.95-19,623.22

Finding the Fourth Proportional to 75,787.05, 113,680.95 and 19,623.22

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Solution

The fourth proportional to 75,787.05, 113,680.95 and 19,623.22 is: 29,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.05 : 113,680.95 = 19,623.22 : x
  2. Step 2: Convert to fraction form
    75,787.05/113,680.95 = 19,623.22/x
  3. Step 3: Cross multiply
    75,787.05x = 113,680.95 × 19,623.22
  4. Step 4: Simplify right side
    75,787.05x = 2,230,786,291.66
  5. Step 5: Solve for x
    x = 2,230,786,291.66/75,787.05
  6. Step 6: Final answer
    x = 29,434.93

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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.