Home / 99,334.55-149,001.64-69,884.03

Finding the Fourth Proportional to 99,334.55, 149,001.64 and 69,884.03

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Solution

The fourth proportional to 99,334.55, 149,001.64 and 69,884.03 is: 104,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,334.55 : 149,001.64 = 69,884.03 : x
  2. Step 2: Convert to fraction form
    99,334.55/149,001.64 = 69,884.03/x
  3. Step 3: Cross multiply
    99,334.55x = 149,001.64 × 69,884.03
  4. Step 4: Simplify right side
    99,334.55x = 10,412,834,160.09
  5. Step 5: Solve for x
    x = 10,412,834,160.09/99,334.55
  6. Step 6: Final answer
    x = 104,825.91

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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.