Home / 84,192.24-126,251.19-31,564.83

Finding the Fourth Proportional to 84,192.24, 126,251.19 and 31,564.83

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Solution

The fourth proportional to 84,192.24, 126,251.19 and 31,564.83 is: 47,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192.24 : 126,251.19 = 31,564.83 : x
  2. Step 2: Convert to fraction form
    84,192.24/126,251.19 = 31,564.83/x
  3. Step 3: Cross multiply
    84,192.24x = 126,251.19 × 31,564.83
  4. Step 4: Simplify right side
    84,192.24x = 3,985,097,349.65
  5. Step 5: Solve for x
    x = 3,985,097,349.65/84,192.24
  6. Step 6: Final answer
    x = 47,333.31

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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.