Home / 69,090.24-103,241.96-51,880.92

Finding the Fourth Proportional to 69,090.24, 103,241.96 and 51,880.92

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Solution

The fourth proportional to 69,090.24, 103,241.96 and 51,880.92 is: 77,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,090.24 : 103,241.96 = 51,880.92 : x
  2. Step 2: Convert to fraction form
    69,090.24/103,241.96 = 51,880.92/x
  3. Step 3: Cross multiply
    69,090.24x = 103,241.96 × 51,880.92
  4. Step 4: Simplify right side
    69,090.24x = 5,356,287,867.40
  5. Step 5: Solve for x
    x = 5,356,287,867.40/69,090.24
  6. Step 6: Final answer
    x = 77,525.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.