Home / 65,616.09-90,553.07-36,937.61

Finding the Fourth Proportional to 65,616.09, 90,553.07 and 36,937.61

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Solution

The fourth proportional to 65,616.09, 90,553.07 and 36,937.61 is: 50,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.09 : 90,553.07 = 36,937.61 : x
  2. Step 2: Convert to fraction form
    65,616.09/90,553.07 = 36,937.61/x
  3. Step 3: Cross multiply
    65,616.09x = 90,553.07 × 36,937.61
  4. Step 4: Simplify right side
    65,616.09x = 3,344,813,346.51
  5. Step 5: Solve for x
    x = 3,344,813,346.51/65,616.09
  6. Step 6: Final answer
    x = 50,975.51

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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.