Home / 67,211.10-100,811.79-32,141.34

Finding the Fourth Proportional to 67,211.10, 100,811.79 and 32,141.34

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Solution

The fourth proportional to 67,211.10, 100,811.79 and 32,141.34 is: 48,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211.10 : 100,811.79 = 32,141.34 : x
  2. Step 2: Convert to fraction form
    67,211.10/100,811.79 = 32,141.34/x
  3. Step 3: Cross multiply
    67,211.10x = 100,811.79 × 32,141.34
  4. Step 4: Simplify right side
    67,211.10x = 3,240,226,018.40
  5. Step 5: Solve for x
    x = 3,240,226,018.40/67,211.10
  6. Step 6: Final answer
    x = 48,209.69

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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.