Home / 90,960.44-124,616.37-87,551.43

Finding the Fourth Proportional to 90,960.44, 124,616.37 and 87,551.43

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Solution

The fourth proportional to 90,960.44, 124,616.37 and 87,551.43 is: 119,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960.44 : 124,616.37 = 87,551.43 : x
  2. Step 2: Convert to fraction form
    90,960.44/124,616.37 = 87,551.43/x
  3. Step 3: Cross multiply
    90,960.44x = 124,616.37 × 87,551.43
  4. Step 4: Simplify right side
    90,960.44x = 10,910,341,394.91
  5. Step 5: Solve for x
    x = 10,910,341,394.91/90,960.44
  6. Step 6: Final answer
    x = 119,946.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.