Home / 55,601.10-83,401.65-54,143.10

Finding the Fourth Proportional to 55,601.10, 83,401.65 and 54,143.10

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Solution

The fourth proportional to 55,601.10, 83,401.65 and 54,143.10 is: 81,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.10 : 83,401.65 = 54,143.10 : x
  2. Step 2: Convert to fraction form
    55,601.10/83,401.65 = 54,143.10/x
  3. Step 3: Cross multiply
    55,601.10x = 83,401.65 × 54,143.10
  4. Step 4: Simplify right side
    55,601.10x = 4,515,623,876.12
  5. Step 5: Solve for x
    x = 4,515,623,876.12/55,601.10
  6. Step 6: Final answer
    x = 81,214.65

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1.5x scale

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.