Home / 84,534.36-126,791.76-22,209.72

Finding the Fourth Proportional to 84,534.36, 126,791.76 and 22,209.72

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Solution

The fourth proportional to 84,534.36, 126,791.76 and 22,209.72 is: 33,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,534.36 : 126,791.76 = 22,209.72 : x
  2. Step 2: Convert to fraction form
    84,534.36/126,791.76 = 22,209.72/x
  3. Step 3: Cross multiply
    84,534.36x = 126,791.76 × 22,209.72
  4. Step 4: Simplify right side
    84,534.36x = 2,816,009,487.91
  5. Step 5: Solve for x
    x = 2,816,009,487.91/84,534.36
  6. Step 6: Final answer
    x = 33,312.01

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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.