Home / 70,161.21-96,822.81-38,330.64

Finding the Fourth Proportional to 70,161.21, 96,822.81 and 38,330.64

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Solution

The fourth proportional to 70,161.21, 96,822.81 and 38,330.64 is: 52,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.21 : 96,822.81 = 38,330.64 : x
  2. Step 2: Convert to fraction form
    70,161.21/96,822.81 = 38,330.64/x
  3. Step 3: Cross multiply
    70,161.21x = 96,822.81 × 38,330.64
  4. Step 4: Simplify right side
    70,161.21x = 3,711,280,273.90
  5. Step 5: Solve for x
    x = 3,711,280,273.90/70,161.21
  6. Step 6: Final answer
    x = 52,896.47

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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.