Home / 75,361.75-104,010.03-45,148.34

Finding the Fourth Proportional to 75,361.75, 104,010.03 and 45,148.34

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Solution

The fourth proportional to 75,361.75, 104,010.03 and 45,148.34 is: 62,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,361.75 : 104,010.03 = 45,148.34 : x
  2. Step 2: Convert to fraction form
    75,361.75/104,010.03 = 45,148.34/x
  3. Step 3: Cross multiply
    75,361.75x = 104,010.03 × 45,148.34
  4. Step 4: Simplify right side
    75,361.75x = 4,695,879,972.11
  5. Step 5: Solve for x
    x = 4,695,879,972.11/75,361.75
  6. Step 6: Final answer
    x = 62,311.19

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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.