Home / 96,924.28-145,339-39,987.60

Finding the Fourth Proportional to 96,924.28, 145,339 and 39,987.60

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Solution

The fourth proportional to 96,924.28, 145,339 and 39,987.60 is: 59,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,924.28 : 145,339 = 39,987.60 : x
  2. Step 2: Convert to fraction form
    96,924.28/145,339 = 39,987.60/x
  3. Step 3: Cross multiply
    96,924.28x = 145,339 × 39,987.60
  4. Step 4: Simplify right side
    96,924.28x = 5,811,757,796.40
  5. Step 5: Solve for x
    x = 5,811,757,796.40/96,924.28
  6. Step 6: Final answer
    x = 59,961.84

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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.