Home / 99,097.04-136,753.21-53,773.87

Finding the Fourth Proportional to 99,097.04, 136,753.21 and 53,773.87

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Solution

The fourth proportional to 99,097.04, 136,753.21 and 53,773.87 is: 74,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.04 : 136,753.21 = 53,773.87 : x
  2. Step 2: Convert to fraction form
    99,097.04/136,753.21 = 53,773.87/x
  3. Step 3: Cross multiply
    99,097.04x = 136,753.21 × 53,773.87
  4. Step 4: Simplify right side
    99,097.04x = 7,353,749,336.62
  5. Step 5: Solve for x
    x = 7,353,749,336.62/99,097.04
  6. Step 6: Final answer
    x = 74,207.56

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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.