Home / 75,860.42-104,679.44-41,868.28

Finding the Fourth Proportional to 75,860.42, 104,679.44 and 41,868.28

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Solution

The fourth proportional to 75,860.42, 104,679.44 and 41,868.28 is: 57,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,860.42 : 104,679.44 = 41,868.28 : x
  2. Step 2: Convert to fraction form
    75,860.42/104,679.44 = 41,868.28/x
  3. Step 3: Cross multiply
    75,860.42x = 104,679.44 × 41,868.28
  4. Step 4: Simplify right side
    75,860.42x = 4,382,748,104.16
  5. Step 5: Solve for x
    x = 4,382,748,104.16/75,860.42
  6. Step 6: Final answer
    x = 57,773.84

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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.