Home / 99,326.49-148,986.44-43,166.66

Finding the Fourth Proportional to 99,326.49, 148,986.44 and 43,166.66

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Solution

The fourth proportional to 99,326.49, 148,986.44 and 43,166.66 is: 64,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,326.49 : 148,986.44 = 43,166.66 : x
  2. Step 2: Convert to fraction form
    99,326.49/148,986.44 = 43,166.66/x
  3. Step 3: Cross multiply
    99,326.49x = 148,986.44 × 43,166.66
  4. Step 4: Simplify right side
    99,326.49x = 6,431,246,201.20
  5. Step 5: Solve for x
    x = 6,431,246,201.20/99,326.49
  6. Step 6: Final answer
    x = 64,748.55

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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.