Home / 55,045.62-82,565.19-18,109.62

Finding the Fourth Proportional to 55,045.62, 82,565.19 and 18,109.62

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Solution

The fourth proportional to 55,045.62, 82,565.19 and 18,109.62 is: 27,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.62 : 82,565.19 = 18,109.62 : x
  2. Step 2: Convert to fraction form
    55,045.62/82,565.19 = 18,109.62/x
  3. Step 3: Cross multiply
    55,045.62x = 82,565.19 × 18,109.62
  4. Step 4: Simplify right side
    55,045.62x = 1,495,224,216.13
  5. Step 5: Solve for x
    x = 1,495,224,216.13/55,045.62
  6. Step 6: Final answer
    x = 27,163.36

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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.