Home / 105,033.24-144,945.59-57,286.85

Finding the Fourth Proportional to 105,033.24, 144,945.59 and 57,286.85

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Solution

The fourth proportional to 105,033.24, 144,945.59 and 57,286.85 is: 79,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,033.24 : 144,945.59 = 57,286.85 : x
  2. Step 2: Convert to fraction form
    105,033.24/144,945.59 = 57,286.85/x
  3. Step 3: Cross multiply
    105,033.24x = 144,945.59 × 57,286.85
  4. Step 4: Simplify right side
    105,033.24x = 8,303,475,261.33
  5. Step 5: Solve for x
    x = 8,303,475,261.33/105,033.24
  6. Step 6: Final answer
    x = 79,055.69

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1.5x scale

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.