Home / 67,120.55-100,673.89-22,746.15

Finding the Fourth Proportional to 67,120.55, 100,673.89 and 22,746.15

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Solution

The fourth proportional to 67,120.55, 100,673.89 and 22,746.15 is: 34,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.55 : 100,673.89 = 22,746.15 : x
  2. Step 2: Convert to fraction form
    67,120.55/100,673.89 = 22,746.15/x
  3. Step 3: Cross multiply
    67,120.55x = 100,673.89 × 22,746.15
  4. Step 4: Simplify right side
    67,120.55x = 2,289,943,403.02
  5. Step 5: Solve for x
    x = 2,289,943,403.02/67,120.55
  6. Step 6: Final answer
    x = 34,116.87

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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.