Home / 99,311.30-148,767.50-45,928.46

Finding the Fourth Proportional to 99,311.30, 148,767.50 and 45,928.46

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Solution

The fourth proportional to 99,311.30, 148,767.50 and 45,928.46 is: 68,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,311.30 : 148,767.50 = 45,928.46 : x
  2. Step 2: Convert to fraction form
    99,311.30/148,767.50 = 45,928.46/x
  3. Step 3: Cross multiply
    99,311.30x = 148,767.50 × 45,928.46
  4. Step 4: Simplify right side
    99,311.30x = 6,832,661,199.57
  5. Step 5: Solve for x
    x = 6,832,661,199.57/99,311.30
  6. Step 6: Final answer
    x = 68,800.44

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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.