Home / 55,889.56-83,816.55-18,442.65

Finding the Fourth Proportional to 55,889.56, 83,816.55 and 18,442.65

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Solution

The fourth proportional to 55,889.56, 83,816.55 and 18,442.65 is: 27,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.56 : 83,816.55 = 18,442.65 : x
  2. Step 2: Convert to fraction form
    55,889.56/83,816.55 = 18,442.65/x
  3. Step 3: Cross multiply
    55,889.56x = 83,816.55 × 18,442.65
  4. Step 4: Simplify right side
    55,889.56x = 1,545,799,295.86
  5. Step 5: Solve for x
    x = 1,545,799,295.86/55,889.56
  6. Step 6: Final answer
    x = 27,658.11

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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.