Home / 55,546.36-83,328.18-18,097.72

Finding the Fourth Proportional to 55,546.36, 83,328.18 and 18,097.72

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Solution

The fourth proportional to 55,546.36, 83,328.18 and 18,097.72 is: 27,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,546.36 : 83,328.18 = 18,097.72 : x
  2. Step 2: Convert to fraction form
    55,546.36/83,328.18 = 18,097.72/x
  3. Step 3: Cross multiply
    55,546.36x = 83,328.18 × 18,097.72
  4. Step 4: Simplify right side
    55,546.36x = 1,508,050,069.75
  5. Step 5: Solve for x
    x = 1,508,050,069.75/55,546.36
  6. Step 6: Final answer
    x = 27,149.40

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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.