Home / 67,908.42-93,648.38-40,680.20

Finding the Fourth Proportional to 67,908.42, 93,648.38 and 40,680.20

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Solution

The fourth proportional to 67,908.42, 93,648.38 and 40,680.20 is: 56,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,908.42 : 93,648.38 = 40,680.20 : x
  2. Step 2: Convert to fraction form
    67,908.42/93,648.38 = 40,680.20/x
  3. Step 3: Cross multiply
    67,908.42x = 93,648.38 × 40,680.20
  4. Step 4: Simplify right side
    67,908.42x = 3,809,634,858.80
  5. Step 5: Solve for x
    x = 3,809,634,858.80/67,908.42
  6. Step 6: Final answer
    x = 56,099.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.