Home / 70,350.75-97,093.26-40,129.11

Finding the Fourth Proportional to 70,350.75, 97,093.26 and 40,129.11

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Solution

The fourth proportional to 70,350.75, 97,093.26 and 40,129.11 is: 55,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.75 : 97,093.26 = 40,129.11 : x
  2. Step 2: Convert to fraction form
    70,350.75/97,093.26 = 40,129.11/x
  3. Step 3: Cross multiply
    70,350.75x = 97,093.26 × 40,129.11
  4. Step 4: Simplify right side
    70,350.75x = 3,896,266,110.80
  5. Step 5: Solve for x
    x = 3,896,266,110.80/70,350.75
  6. Step 6: Final answer
    x = 55,383.43

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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.