Home / 67,080.29-100,666.60-27,637.34

Finding the Fourth Proportional to 67,080.29, 100,666.60 and 27,637.34

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Solution

The fourth proportional to 67,080.29, 100,666.60 and 27,637.34 is: 41,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.29 : 100,666.60 = 27,637.34 : x
  2. Step 2: Convert to fraction form
    67,080.29/100,666.60 = 27,637.34/x
  3. Step 3: Cross multiply
    67,080.29x = 100,666.60 × 27,637.34
  4. Step 4: Simplify right side
    67,080.29x = 2,782,156,478.42
  5. Step 5: Solve for x
    x = 2,782,156,478.42/67,080.29
  6. Step 6: Final answer
    x = 41,475.02

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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.