Home / 55,558.57-83,345.17-18,105.52

Finding the Fourth Proportional to 55,558.57, 83,345.17 and 18,105.52

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Solution

The fourth proportional to 55,558.57, 83,345.17 and 18,105.52 is: 27,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.57 : 83,345.17 = 18,105.52 : x
  2. Step 2: Convert to fraction form
    55,558.57/83,345.17 = 18,105.52/x
  3. Step 3: Cross multiply
    55,558.57x = 83,345.17 × 18,105.52
  4. Step 4: Simplify right side
    55,558.57x = 1,509,007,642.34
  5. Step 5: Solve for x
    x = 1,509,007,642.34/55,558.57
  6. Step 6: Final answer
    x = 27,160.66

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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.