Home / 90,818.60-136,257.08-27,650.94

Finding the Fourth Proportional to 90,818.60, 136,257.08 and 27,650.94

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Solution

The fourth proportional to 90,818.60, 136,257.08 and 27,650.94 is: 41,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,818.60 : 136,257.08 = 27,650.94 : x
  2. Step 2: Convert to fraction form
    90,818.60/136,257.08 = 27,650.94/x
  3. Step 3: Cross multiply
    90,818.60x = 136,257.08 × 27,650.94
  4. Step 4: Simplify right side
    90,818.60x = 3,767,636,616.42
  5. Step 5: Solve for x
    x = 3,767,636,616.42/90,818.60
  6. Step 6: Final answer
    x = 41,485.30

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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.