Home / 55,401.66-83,115.55-17,961.74

Finding the Fourth Proportional to 55,401.66, 83,115.55 and 17,961.74

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Solution

The fourth proportional to 55,401.66, 83,115.55 and 17,961.74 is: 26,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.66 : 83,115.55 = 17,961.74 : x
  2. Step 2: Convert to fraction form
    55,401.66/83,115.55 = 17,961.74/x
  3. Step 3: Cross multiply
    55,401.66x = 83,115.55 × 17,961.74
  4. Step 4: Simplify right side
    55,401.66x = 1,492,899,899.06
  5. Step 5: Solve for x
    x = 1,492,899,899.06/55,401.66
  6. Step 6: Final answer
    x = 26,946.84

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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.