Home / 67,165.10-100,966.35-47,579.30

Finding the Fourth Proportional to 67,165.10, 100,966.35 and 47,579.30

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Solution

The fourth proportional to 67,165.10, 100,966.35 and 47,579.30 is: 71,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,165.10 : 100,966.35 = 47,579.30 : x
  2. Step 2: Convert to fraction form
    67,165.10/100,966.35 = 47,579.30/x
  3. Step 3: Cross multiply
    67,165.10x = 100,966.35 × 47,579.30
  4. Step 4: Simplify right side
    67,165.10x = 4,803,908,256.56
  5. Step 5: Solve for x
    x = 4,803,908,256.56/67,165.10
  6. Step 6: Final answer
    x = 71,523.88

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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.