Home / 99,122.61-148,496.66-76,826.83

Finding the Fourth Proportional to 99,122.61, 148,496.66 and 76,826.83

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Solution

The fourth proportional to 99,122.61, 148,496.66 and 76,826.83 is: 115,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,122.61 : 148,496.66 = 76,826.83 : x
  2. Step 2: Convert to fraction form
    99,122.61/148,496.66 = 76,826.83/x
  3. Step 3: Cross multiply
    99,122.61x = 148,496.66 × 76,826.83
  4. Step 4: Simplify right side
    99,122.61x = 11,408,527,974.91
  5. Step 5: Solve for x
    x = 11,408,527,974.91/99,122.61
  6. Step 6: Final answer
    x = 115,095.11

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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.