Home / 99,205.56-136,904.67-53,884.43

Finding the Fourth Proportional to 99,205.56, 136,904.67 and 53,884.43

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Solution

The fourth proportional to 99,205.56, 136,904.67 and 53,884.43 is: 74,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,205.56 : 136,904.67 = 53,884.43 : x
  2. Step 2: Convert to fraction form
    99,205.56/136,904.67 = 53,884.43/x
  3. Step 3: Cross multiply
    99,205.56x = 136,904.67 × 53,884.43
  4. Step 4: Simplify right side
    99,205.56x = 7,377,030,107.29
  5. Step 5: Solve for x
    x = 7,377,030,107.29/99,205.56
  6. Step 6: Final answer
    x = 74,361.06

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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.