Home / 100,706.28-150,993.18-56,337.72

Finding the Fourth Proportional to 100,706.28, 150,993.18 and 56,337.72

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Solution

The fourth proportional to 100,706.28, 150,993.18 and 56,337.72 is: 84,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,706.28 : 150,993.18 = 56,337.72 : x
  2. Step 2: Convert to fraction form
    100,706.28/150,993.18 = 56,337.72/x
  3. Step 3: Cross multiply
    100,706.28x = 150,993.18 × 56,337.72
  4. Step 4: Simplify right side
    100,706.28x = 8,506,611,496.75
  5. Step 5: Solve for x
    x = 8,506,611,496.75/100,706.28
  6. Step 6: Final answer
    x = 84,469.52

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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.