Home / 99,199.04-136,800.96-65,147.52

Finding the Fourth Proportional to 99,199.04, 136,800.96 and 65,147.52

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Solution

The fourth proportional to 99,199.04, 136,800.96 and 65,147.52 is: 89,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,199.04 : 136,800.96 = 65,147.52 : x
  2. Step 2: Convert to fraction form
    99,199.04/136,800.96 = 65,147.52/x
  3. Step 3: Cross multiply
    99,199.04x = 136,800.96 × 65,147.52
  4. Step 4: Simplify right side
    99,199.04x = 8,912,243,277.62
  5. Step 5: Solve for x
    x = 8,912,243,277.62/99,199.04
  6. Step 6: Final answer
    x = 89,842.03

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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.