Home / 49,088.97-67,740.91-30,000.68

Finding the Fourth Proportional to 49,088.97, 67,740.91 and 30,000.68

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Solution

The fourth proportional to 49,088.97, 67,740.91 and 30,000.68 is: 41,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,088.97 : 67,740.91 = 30,000.68 : x
  2. Step 2: Convert to fraction form
    49,088.97/67,740.91 = 30,000.68/x
  3. Step 3: Cross multiply
    49,088.97x = 67,740.91 × 30,000.68
  4. Step 4: Simplify right side
    49,088.97x = 2,032,273,204.14
  5. Step 5: Solve for x
    x = 2,032,273,204.14/49,088.97
  6. Step 6: Final answer
    x = 41,399.79

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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.