Home / 96,995.28-145,499.07-30,438.03

Finding the Fourth Proportional to 96,995.28, 145,499.07 and 30,438.03

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Solution

The fourth proportional to 96,995.28, 145,499.07 and 30,438.03 is: 45,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,995.28 : 145,499.07 = 30,438.03 : x
  2. Step 2: Convert to fraction form
    96,995.28/145,499.07 = 30,438.03/x
  3. Step 3: Cross multiply
    96,995.28x = 145,499.07 × 30,438.03
  4. Step 4: Simplify right side
    96,995.28x = 4,428,704,905.44
  5. Step 5: Solve for x
    x = 4,428,704,905.44/96,995.28
  6. Step 6: Final answer
    x = 45,658.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.