Home / 99,519.04-149,169.07-43,293.70

Finding the Fourth Proportional to 99,519.04, 149,169.07 and 43,293.70

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Solution

The fourth proportional to 99,519.04, 149,169.07 and 43,293.70 is: 64,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,519.04 : 149,169.07 = 43,293.70 : x
  2. Step 2: Convert to fraction form
    99,519.04/149,169.07 = 43,293.70/x
  3. Step 3: Cross multiply
    99,519.04x = 149,169.07 × 43,293.70
  4. Step 4: Simplify right side
    99,519.04x = 6,458,080,965.86
  5. Step 5: Solve for x
    x = 6,458,080,965.86/99,519.04
  6. Step 6: Final answer
    x = 64,892.92

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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.