Home / 75,890.70-104,728.60-41,899.18

Finding the Fourth Proportional to 75,890.70, 104,728.60 and 41,899.18

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Solution

The fourth proportional to 75,890.70, 104,728.60 and 41,899.18 is: 57,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,890.70 : 104,728.60 = 41,899.18 : x
  2. Step 2: Convert to fraction form
    75,890.70/104,728.60 = 41,899.18/x
  3. Step 3: Cross multiply
    75,890.70x = 104,728.60 × 41,899.18
  4. Step 4: Simplify right side
    75,890.70x = 4,388,042,462.55
  5. Step 5: Solve for x
    x = 4,388,042,462.55/75,890.70
  6. Step 6: Final answer
    x = 57,820.56

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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.