Home / 111,789.08-167,648.04-36,895.28

Finding the Fourth Proportional to 111,789.08, 167,648.04 and 36,895.28

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Solution

The fourth proportional to 111,789.08, 167,648.04 and 36,895.28 is: 55,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,789.08 : 167,648.04 = 36,895.28 : x
  2. Step 2: Convert to fraction form
    111,789.08/167,648.04 = 36,895.28/x
  3. Step 3: Cross multiply
    111,789.08x = 167,648.04 × 36,895.28
  4. Step 4: Simplify right side
    111,789.08x = 6,185,421,377.25
  5. Step 5: Solve for x
    x = 6,185,421,377.25/111,789.08
  6. Step 6: Final answer
    x = 55,331.18

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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.