Home / 66,320.69-91,495.44-40,819.37

Finding the Fourth Proportional to 66,320.69, 91,495.44 and 40,819.37

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Solution

The fourth proportional to 66,320.69, 91,495.44 and 40,819.37 is: 56,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.69 : 91,495.44 = 40,819.37 : x
  2. Step 2: Convert to fraction form
    66,320.69/91,495.44 = 40,819.37/x
  3. Step 3: Cross multiply
    66,320.69x = 91,495.44 × 40,819.37
  4. Step 4: Simplify right side
    66,320.69x = 3,734,785,761.20
  5. Step 5: Solve for x
    x = 3,734,785,761.20/66,320.69
  6. Step 6: Final answer
    x = 56,314.04

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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.