Home / 75,491.69-104,179.82-41,501.60

Finding the Fourth Proportional to 75,491.69, 104,179.82 and 41,501.60

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Solution

The fourth proportional to 75,491.69, 104,179.82 and 41,501.60 is: 57,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,491.69 : 104,179.82 = 41,501.60 : x
  2. Step 2: Convert to fraction form
    75,491.69/104,179.82 = 41,501.60/x
  3. Step 3: Cross multiply
    75,491.69x = 104,179.82 × 41,501.60
  4. Step 4: Simplify right side
    75,491.69x = 4,323,628,489.30
  5. Step 5: Solve for x
    x = 4,323,628,489.30/75,491.69
  6. Step 6: Final answer
    x = 57,272.91

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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.