Home / 75,849.60-104,674.96-41,396.21

Finding the Fourth Proportional to 75,849.60, 104,674.96 and 41,396.21

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Solution

The fourth proportional to 75,849.60, 104,674.96 and 41,396.21 is: 57,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,849.60 : 104,674.96 = 41,396.21 : x
  2. Step 2: Convert to fraction form
    75,849.60/104,674.96 = 41,396.21/x
  3. Step 3: Cross multiply
    75,849.60x = 104,674.96 × 41,396.21
  4. Step 4: Simplify right side
    75,849.60x = 4,333,146,756.75
  5. Step 5: Solve for x
    x = 4,333,146,756.75/75,849.60
  6. Step 6: Final answer
    x = 57,128.14

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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.