Home / 69,742.62-96,210.99-41,428.26

Finding the Fourth Proportional to 69,742.62, 96,210.99 and 41,428.26

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Solution

The fourth proportional to 69,742.62, 96,210.99 and 41,428.26 is: 57,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,742.62 : 96,210.99 = 41,428.26 : x
  2. Step 2: Convert to fraction form
    69,742.62/96,210.99 = 41,428.26/x
  3. Step 3: Cross multiply
    69,742.62x = 96,210.99 × 41,428.26
  4. Step 4: Simplify right side
    69,742.62x = 3,985,853,908.58
  5. Step 5: Solve for x
    x = 3,985,853,908.58/69,742.62
  6. Step 6: Final answer
    x = 57,150.91

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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.