Home / 90,821.70-136,232.55-24,272.10

Finding the Fourth Proportional to 90,821.70, 136,232.55 and 24,272.10

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Solution

The fourth proportional to 90,821.70, 136,232.55 and 24,272.10 is: 36,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,821.70 : 136,232.55 = 24,272.10 : x
  2. Step 2: Convert to fraction form
    90,821.70/136,232.55 = 24,272.10/x
  3. Step 3: Cross multiply
    90,821.70x = 136,232.55 × 24,272.10
  4. Step 4: Simplify right side
    90,821.70x = 3,306,650,076.86
  5. Step 5: Solve for x
    x = 3,306,650,076.86/90,821.70
  6. Step 6: Final answer
    x = 36,408.15

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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.