Home / 90,335.55-135,586.62-45,994.26

Finding the Fourth Proportional to 90,335.55, 135,586.62 and 45,994.26

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Solution

The fourth proportional to 90,335.55, 135,586.62 and 45,994.26 is: 69,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,335.55 : 135,586.62 = 45,994.26 : x
  2. Step 2: Convert to fraction form
    90,335.55/135,586.62 = 45,994.26/x
  3. Step 3: Cross multiply
    90,335.55x = 135,586.62 × 45,994.26
  4. Step 4: Simplify right side
    90,335.55x = 6,236,206,252.80
  5. Step 5: Solve for x
    x = 6,236,206,252.80/90,335.55
  6. Step 6: Final answer
    x = 69,033.80

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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.