Home / 65,281.16-90,087.78-36,992.24

Finding the Fourth Proportional to 65,281.16, 90,087.78 and 36,992.24

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Solution

The fourth proportional to 65,281.16, 90,087.78 and 36,992.24 is: 51,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,281.16 : 90,087.78 = 36,992.24 : x
  2. Step 2: Convert to fraction form
    65,281.16/90,087.78 = 36,992.24/x
  3. Step 3: Cross multiply
    65,281.16x = 90,087.78 × 36,992.24
  4. Step 4: Simplify right side
    65,281.16x = 3,332,548,778.83
  5. Step 5: Solve for x
    x = 3,332,548,778.83/65,281.16
  6. Step 6: Final answer
    x = 51,049.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.