Home / 67,116.15-100,584.90-35,519.45

Finding the Fourth Proportional to 67,116.15, 100,584.90 and 35,519.45

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Solution

The fourth proportional to 67,116.15, 100,584.90 and 35,519.45 is: 53,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,116.15 : 100,584.90 = 35,519.45 : x
  2. Step 2: Convert to fraction form
    67,116.15/100,584.90 = 35,519.45/x
  3. Step 3: Cross multiply
    67,116.15x = 100,584.90 × 35,519.45
  4. Step 4: Simplify right side
    67,116.15x = 3,572,719,823.38
  5. Step 5: Solve for x
    x = 3,572,719,823.38/67,116.15
  6. Step 6: Final answer
    x = 53,231.89

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1.5x scale

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.