Home / 90,865.26-125,351.01-64,022.58

Finding the Fourth Proportional to 90,865.26, 125,351.01 and 64,022.58

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Solution

The fourth proportional to 90,865.26, 125,351.01 and 64,022.58 is: 88,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,865.26 : 125,351.01 = 64,022.58 : x
  2. Step 2: Convert to fraction form
    90,865.26/125,351.01 = 64,022.58/x
  3. Step 3: Cross multiply
    90,865.26x = 125,351.01 × 64,022.58
  4. Step 4: Simplify right side
    90,865.26x = 8,025,295,065.81
  5. Step 5: Solve for x
    x = 8,025,295,065.81/90,865.26
  6. Step 6: Final answer
    x = 88,320.83

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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.