Home / 90,874.20-125,401.50-52,627.08

Finding the Fourth Proportional to 90,874.20, 125,401.50 and 52,627.08

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Solution

The fourth proportional to 90,874.20, 125,401.50 and 52,627.08 is: 72,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874.20 : 125,401.50 = 52,627.08 : x
  2. Step 2: Convert to fraction form
    90,874.20/125,401.50 = 52,627.08/x
  3. Step 3: Cross multiply
    90,874.20x = 125,401.50 × 52,627.08
  4. Step 4: Simplify right side
    90,874.20x = 6,599,514,772.62
  5. Step 5: Solve for x
    x = 6,599,514,772.62/90,874.20
  6. Step 6: Final answer
    x = 72,622.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.