Home / 53,212.01-79,826.18-18,143.46

Finding the Fourth Proportional to 53,212.01, 79,826.18 and 18,143.46

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Solution

The fourth proportional to 53,212.01, 79,826.18 and 18,143.46 is: 27,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.01 : 79,826.18 = 18,143.46 : x
  2. Step 2: Convert to fraction form
    53,212.01/79,826.18 = 18,143.46/x
  3. Step 3: Cross multiply
    53,212.01x = 79,826.18 × 18,143.46
  4. Step 4: Simplify right side
    53,212.01x = 1,448,323,013.07
  5. Step 5: Solve for x
    x = 1,448,323,013.07/53,212.01
  6. Step 6: Final answer
    x = 27,217.97

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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.