Home / 45,335.90-67,996.26-12,056.45

Finding the Fourth Proportional to 45,335.90, 67,996.26 and 12,056.45

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Solution

The fourth proportional to 45,335.90, 67,996.26 and 12,056.45 is: 18,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.90 : 67,996.26 = 12,056.45 : x
  2. Step 2: Convert to fraction form
    45,335.90/67,996.26 = 12,056.45/x
  3. Step 3: Cross multiply
    45,335.90x = 67,996.26 × 12,056.45
  4. Step 4: Simplify right side
    45,335.90x = 819,793,168.90
  5. Step 5: Solve for x
    x = 819,793,168.90/45,335.90
  6. Step 6: Final answer
    x = 18,082.65

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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.