Home / 80,968.07-121,212.21-60,002.22

Finding the Fourth Proportional to 80,968.07, 121,212.21 and 60,002.22

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Solution

The fourth proportional to 80,968.07, 121,212.21 and 60,002.22 is: 89,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,968.07 : 121,212.21 = 60,002.22 : x
  2. Step 2: Convert to fraction form
    80,968.07/121,212.21 = 60,002.22/x
  3. Step 3: Cross multiply
    80,968.07x = 121,212.21 × 60,002.22
  4. Step 4: Simplify right side
    80,968.07x = 7,273,001,691.11
  5. Step 5: Solve for x
    x = 7,273,001,691.11/80,968.07
  6. Step 6: Final answer
    x = 89,825.55

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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.