Home / 67,125.80-100,688.26-22,783.78

Finding the Fourth Proportional to 67,125.80, 100,688.26 and 22,783.78

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Solution

The fourth proportional to 67,125.80, 100,688.26 and 22,783.78 is: 34,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.80 : 100,688.26 = 22,783.78 : x
  2. Step 2: Convert to fraction form
    67,125.80/100,688.26 = 22,783.78/x
  3. Step 3: Cross multiply
    67,125.80x = 100,688.26 × 22,783.78
  4. Step 4: Simplify right side
    67,125.80x = 2,294,059,164.42
  5. Step 5: Solve for x
    x = 2,294,059,164.42/67,125.80
  6. Step 6: Final answer
    x = 34,175.52

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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.