Home / 75,450.70-104,121.45-41,459.55

Finding the Fourth Proportional to 75,450.70, 104,121.45 and 41,459.55

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Solution

The fourth proportional to 75,450.70, 104,121.45 and 41,459.55 is: 57,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,450.70 : 104,121.45 = 41,459.55 : x
  2. Step 2: Convert to fraction form
    75,450.70/104,121.45 = 41,459.55/x
  3. Step 3: Cross multiply
    75,450.70x = 104,121.45 × 41,459.55
  4. Step 4: Simplify right side
    75,450.70x = 4,316,828,462.35
  5. Step 5: Solve for x
    x = 4,316,828,462.35/75,450.70
  6. Step 6: Final answer
    x = 57,213.90

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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.