Home / 67,777.67-93,510.78-40,909.97

Finding the Fourth Proportional to 67,777.67, 93,510.78 and 40,909.97

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Solution

The fourth proportional to 67,777.67, 93,510.78 and 40,909.97 is: 56,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,777.67 : 93,510.78 = 40,909.97 : x
  2. Step 2: Convert to fraction form
    67,777.67/93,510.78 = 40,909.97/x
  3. Step 3: Cross multiply
    67,777.67x = 93,510.78 × 40,909.97
  4. Step 4: Simplify right side
    67,777.67x = 3,825,523,204.48
  5. Step 5: Solve for x
    x = 3,825,523,204.48/67,777.67
  6. Step 6: Final answer
    x = 56,442.24

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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.