Home / 55,815.69-83,716.91-18,366.48

Finding the Fourth Proportional to 55,815.69, 83,716.91 and 18,366.48

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Solution

The fourth proportional to 55,815.69, 83,716.91 and 18,366.48 is: 27,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.69 : 83,716.91 = 18,366.48 : x
  2. Step 2: Convert to fraction form
    55,815.69/83,716.91 = 18,366.48/x
  3. Step 3: Cross multiply
    55,815.69x = 83,716.91 × 18,366.48
  4. Step 4: Simplify right side
    55,815.69x = 1,537,584,861.34
  5. Step 5: Solve for x
    x = 1,537,584,861.34/55,815.69
  6. Step 6: Final answer
    x = 27,547.54

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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.