Home / 55,212.24-82,806.18-17,765.16

Finding the Fourth Proportional to 55,212.24, 82,806.18 and 17,765.16

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Solution

The fourth proportional to 55,212.24, 82,806.18 and 17,765.16 is: 26,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.24 : 82,806.18 = 17,765.16 : x
  2. Step 2: Convert to fraction form
    55,212.24/82,806.18 = 17,765.16/x
  3. Step 3: Cross multiply
    55,212.24x = 82,806.18 × 17,765.16
  4. Step 4: Simplify right side
    55,212.24x = 1,471,065,036.69
  5. Step 5: Solve for x
    x = 1,471,065,036.69/55,212.24
  6. Step 6: Final answer
    x = 26,643.82

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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.