Home / 99,311.35-148,767.57-45,928.50

Finding the Fourth Proportional to 99,311.35, 148,767.57 and 45,928.50

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Solution

The fourth proportional to 99,311.35, 148,767.57 and 45,928.50 is: 68,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,311.35 : 148,767.57 = 45,928.50 : x
  2. Step 2: Convert to fraction form
    99,311.35/148,767.57 = 45,928.50/x
  3. Step 3: Cross multiply
    99,311.35x = 148,767.57 × 45,928.50
  4. Step 4: Simplify right side
    99,311.35x = 6,832,671,617.68
  5. Step 5: Solve for x
    x = 6,832,671,617.68/99,311.35
  6. Step 6: Final answer
    x = 68,800.51

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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.