Home / 111,711.45-167,565.70-27,472.34

Finding the Fourth Proportional to 111,711.45, 167,565.70 and 27,472.34

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Solution

The fourth proportional to 111,711.45, 167,565.70 and 27,472.34 is: 41,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,711.45 : 167,565.70 = 27,472.34 : x
  2. Step 2: Convert to fraction form
    111,711.45/167,565.70 = 27,472.34/x
  3. Step 3: Cross multiply
    111,711.45x = 167,565.70 × 27,472.34
  4. Step 4: Simplify right side
    111,711.45x = 4,603,421,882.74
  5. Step 5: Solve for x
    x = 4,603,421,882.74/111,711.45
  6. Step 6: Final answer
    x = 41,208.15

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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.