Home / 67,668.68-101,532.20-28,233.56

Finding the Fourth Proportional to 67,668.68, 101,532.20 and 28,233.56

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Solution

The fourth proportional to 67,668.68, 101,532.20 and 28,233.56 is: 42,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,668.68 : 101,532.20 = 28,233.56 : x
  2. Step 2: Convert to fraction form
    67,668.68/101,532.20 = 28,233.56/x
  3. Step 3: Cross multiply
    67,668.68x = 101,532.20 × 28,233.56
  4. Step 4: Simplify right side
    67,668.68x = 2,866,615,460.63
  5. Step 5: Solve for x
    x = 2,866,615,460.63/67,668.68
  6. Step 6: Final answer
    x = 42,362.51

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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.