Home / 90,735.19-125,206-52,488.61

Finding the Fourth Proportional to 90,735.19, 125,206 and 52,488.61

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Solution

The fourth proportional to 90,735.19, 125,206 and 52,488.61 is: 72,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.19 : 125,206 = 52,488.61 : x
  2. Step 2: Convert to fraction form
    90,735.19/125,206 = 52,488.61/x
  3. Step 3: Cross multiply
    90,735.19x = 125,206 × 52,488.61
  4. Step 4: Simplify right side
    90,735.19x = 6,571,888,903.66
  5. Step 5: Solve for x
    x = 6,571,888,903.66/90,735.19
  6. Step 6: Final answer
    x = 72,429.33

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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.