Home / 96,918.28-145,330.03-39,981.58

Finding the Fourth Proportional to 96,918.28, 145,330.03 and 39,981.58

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Solution

The fourth proportional to 96,918.28, 145,330.03 and 39,981.58 is: 59,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,918.28 : 145,330.03 = 39,981.58 : x
  2. Step 2: Convert to fraction form
    96,918.28/145,330.03 = 39,981.58/x
  3. Step 3: Cross multiply
    96,918.28x = 145,330.03 × 39,981.58
  4. Step 4: Simplify right side
    96,918.28x = 5,810,524,220.85
  5. Step 5: Solve for x
    x = 5,810,524,220.85/96,918.28
  6. Step 6: Final answer
    x = 59,952.82

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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.