Home / 66,155.81-91,260.07-41,913.99

Finding the Fourth Proportional to 66,155.81, 91,260.07 and 41,913.99

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Solution

The fourth proportional to 66,155.81, 91,260.07 and 41,913.99 is: 57,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.81 : 91,260.07 = 41,913.99 : x
  2. Step 2: Convert to fraction form
    66,155.81/91,260.07 = 41,913.99/x
  3. Step 3: Cross multiply
    66,155.81x = 91,260.07 × 41,913.99
  4. Step 4: Simplify right side
    66,155.81x = 3,825,073,556.59
  5. Step 5: Solve for x
    x = 3,825,073,556.59/66,155.81
  6. Step 6: Final answer
    x = 57,819.17

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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.