Home / 55,269.74-82,920.78-17,829.05

Finding the Fourth Proportional to 55,269.74, 82,920.78 and 17,829.05

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Solution

The fourth proportional to 55,269.74, 82,920.78 and 17,829.05 is: 26,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.74 : 82,920.78 = 17,829.05 : x
  2. Step 2: Convert to fraction form
    55,269.74/82,920.78 = 17,829.05/x
  3. Step 3: Cross multiply
    55,269.74x = 82,920.78 × 17,829.05
  4. Step 4: Simplify right side
    55,269.74x = 1,478,398,318.06
  5. Step 5: Solve for x
    x = 1,478,398,318.06/55,269.74
  6. Step 6: Final answer
    x = 26,748.78

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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.