Home / 55,628.42-83,442.66-13,508.54

Finding the Fourth Proportional to 55,628.42, 83,442.66 and 13,508.54

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Solution

The fourth proportional to 55,628.42, 83,442.66 and 13,508.54 is: 20,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.42 : 83,442.66 = 13,508.54 : x
  2. Step 2: Convert to fraction form
    55,628.42/83,442.66 = 13,508.54/x
  3. Step 3: Cross multiply
    55,628.42x = 83,442.66 × 13,508.54
  4. Step 4: Simplify right side
    55,628.42x = 1,127,188,510.32
  5. Step 5: Solve for x
    x = 1,127,188,510.32/55,628.42
  6. Step 6: Final answer
    x = 20,262.82

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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.