Home / 111,045.40-166,565.36-35,149.21

Finding the Fourth Proportional to 111,045.40, 166,565.36 and 35,149.21

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Solution

The fourth proportional to 111,045.40, 166,565.36 and 35,149.21 is: 52,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,045.40 : 166,565.36 = 35,149.21 : x
  2. Step 2: Convert to fraction form
    111,045.40/166,565.36 = 35,149.21/x
  3. Step 3: Cross multiply
    111,045.40x = 166,565.36 × 35,149.21
  4. Step 4: Simplify right side
    111,045.40x = 5,854,640,488.83
  5. Step 5: Solve for x
    x = 5,854,640,488.83/111,045.40
  6. Step 6: Final answer
    x = 52,722.95

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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.