Home / 88,448.10-121,850.73-61,544.40

Finding the Fourth Proportional to 88,448.10, 121,850.73 and 61,544.40

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Solution

The fourth proportional to 88,448.10, 121,850.73 and 61,544.40 is: 84,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,448.10 : 121,850.73 = 61,544.40 : x
  2. Step 2: Convert to fraction form
    88,448.10/121,850.73 = 61,544.40/x
  3. Step 3: Cross multiply
    88,448.10x = 121,850.73 × 61,544.40
  4. Step 4: Simplify right side
    88,448.10x = 7,499,230,067.41
  5. Step 5: Solve for x
    x = 7,499,230,067.41/88,448.10
  6. Step 6: Final answer
    x = 84,786.79

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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.