Home / 90,616.16-135,924.34-34,443.06

Finding the Fourth Proportional to 90,616.16, 135,924.34 and 34,443.06

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Solution

The fourth proportional to 90,616.16, 135,924.34 and 34,443.06 is: 51,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,616.16 : 135,924.34 = 34,443.06 : x
  2. Step 2: Convert to fraction form
    90,616.16/135,924.34 = 34,443.06/x
  3. Step 3: Cross multiply
    90,616.16x = 135,924.34 × 34,443.06
  4. Step 4: Simplify right side
    90,616.16x = 4,681,650,198.08
  5. Step 5: Solve for x
    x = 4,681,650,198.08/90,616.16
  6. Step 6: Final answer
    x = 51,664.63

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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.