Home / 71,983.97-99,284.32-52,857.74

Finding the Fourth Proportional to 71,983.97, 99,284.32 and 52,857.74

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Solution

The fourth proportional to 71,983.97, 99,284.32 and 52,857.74 is: 72,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,983.97 : 99,284.32 = 52,857.74 : x
  2. Step 2: Convert to fraction form
    71,983.97/99,284.32 = 52,857.74/x
  3. Step 3: Cross multiply
    71,983.97x = 99,284.32 × 52,857.74
  4. Step 4: Simplify right side
    71,983.97x = 5,247,945,086.92
  5. Step 5: Solve for x
    x = 5,247,945,086.92/71,983.97
  6. Step 6: Final answer
    x = 72,904.36

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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.