Home / 98,867.97-136,436.70-53,544.81

Finding the Fourth Proportional to 98,867.97, 136,436.70 and 53,544.81

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Solution

The fourth proportional to 98,867.97, 136,436.70 and 53,544.81 is: 73,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,867.97 : 136,436.70 = 53,544.81 : x
  2. Step 2: Convert to fraction form
    98,867.97/136,436.70 = 53,544.81/x
  3. Step 3: Cross multiply
    98,867.97x = 136,436.70 × 53,544.81
  4. Step 4: Simplify right side
    98,867.97x = 7,305,477,178.53
  5. Step 5: Solve for x
    x = 7,305,477,178.53/98,867.97
  6. Step 6: Final answer
    x = 73,891.24

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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.