Home / 111,407.04-167,022.90-55,208.52

Finding the Fourth Proportional to 111,407.04, 167,022.90 and 55,208.52

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Solution

The fourth proportional to 111,407.04, 167,022.90 and 55,208.52 is: 82,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,407.04 : 167,022.90 = 55,208.52 : x
  2. Step 2: Convert to fraction form
    111,407.04/167,022.90 = 55,208.52/x
  3. Step 3: Cross multiply
    111,407.04x = 167,022.90 × 55,208.52
  4. Step 4: Simplify right side
    111,407.04x = 9,221,087,115.11
  5. Step 5: Solve for x
    x = 9,221,087,115.11/111,407.04
  6. Step 6: Final answer
    x = 82,769.34

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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.