Home / 99,913.08-149,836.50-33,334.68

Finding the Fourth Proportional to 99,913.08, 149,836.50 and 33,334.68

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Solution

The fourth proportional to 99,913.08, 149,836.50 and 33,334.68 is: 49,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,913.08 : 149,836.50 = 33,334.68 : x
  2. Step 2: Convert to fraction form
    99,913.08/149,836.50 = 33,334.68/x
  3. Step 3: Cross multiply
    99,913.08x = 149,836.50 × 33,334.68
  4. Step 4: Simplify right side
    99,913.08x = 4,994,751,779.82
  5. Step 5: Solve for x
    x = 4,994,751,779.82/99,913.08
  6. Step 6: Final answer
    x = 49,990.97

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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.