Home / 63,612.11-87,640.30-49,222.46

Finding the Fourth Proportional to 63,612.11, 87,640.30 and 49,222.46

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Solution

The fourth proportional to 63,612.11, 87,640.30 and 49,222.46 is: 67,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,612.11 : 87,640.30 = 49,222.46 : x
  2. Step 2: Convert to fraction form
    63,612.11/87,640.30 = 49,222.46/x
  3. Step 3: Cross multiply
    63,612.11x = 87,640.30 × 49,222.46
  4. Step 4: Simplify right side
    63,612.11x = 4,313,871,161.14
  5. Step 5: Solve for x
    x = 4,313,871,161.14/63,612.11
  6. Step 6: Final answer
    x = 67,815.25

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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.