Home / 70,849.28-97,742.66-42,163.22

Finding the Fourth Proportional to 70,849.28, 97,742.66 and 42,163.22

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Solution

The fourth proportional to 70,849.28, 97,742.66 and 42,163.22 is: 58,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849.28 : 97,742.66 = 42,163.22 : x
  2. Step 2: Convert to fraction form
    70,849.28/97,742.66 = 42,163.22/x
  3. Step 3: Cross multiply
    70,849.28x = 97,742.66 × 42,163.22
  4. Step 4: Simplify right side
    70,849.28x = 4,121,145,276.97
  5. Step 5: Solve for x
    x = 4,121,145,276.97/70,849.28
  6. Step 6: Final answer
    x = 58,167.78

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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.