Home / 70,995.28-97,973.76-39,163.72

Finding the Fourth Proportional to 70,995.28, 97,973.76 and 39,163.72

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Solution

The fourth proportional to 70,995.28, 97,973.76 and 39,163.72 is: 54,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995.28 : 97,973.76 = 39,163.72 : x
  2. Step 2: Convert to fraction form
    70,995.28/97,973.76 = 39,163.72/x
  3. Step 3: Cross multiply
    70,995.28x = 97,973.76 × 39,163.72
  4. Step 4: Simplify right side
    70,995.28x = 3,837,016,903.99
  5. Step 5: Solve for x
    x = 3,837,016,903.99/70,995.28
  6. Step 6: Final answer
    x = 54,046.08

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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.