Home / 99,914.08-149,838-33,335.68

Finding the Fourth Proportional to 99,914.08, 149,838 and 33,335.68

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Solution

The fourth proportional to 99,914.08, 149,838 and 33,335.68 is: 49,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914.08 : 149,838 = 33,335.68 : x
  2. Step 2: Convert to fraction form
    99,914.08/149,838 = 33,335.68/x
  3. Step 3: Cross multiply
    99,914.08x = 149,838 × 33,335.68
  4. Step 4: Simplify right side
    99,914.08x = 4,994,951,619.84
  5. Step 5: Solve for x
    x = 4,994,951,619.84/99,914.08
  6. Step 6: Final answer
    x = 49,992.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.