Home / 47,031.10-70,469.85-40,426.30

Finding the Fourth Proportional to 47,031.10, 70,469.85 and 40,426.30

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Solution

The fourth proportional to 47,031.10, 70,469.85 and 40,426.30 is: 60,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.10 : 70,469.85 = 40,426.30 : x
  2. Step 2: Convert to fraction form
    47,031.10/70,469.85 = 40,426.30/x
  3. Step 3: Cross multiply
    47,031.10x = 70,469.85 × 40,426.30
  4. Step 4: Simplify right side
    47,031.10x = 2,848,835,297.06
  5. Step 5: Solve for x
    x = 2,848,835,297.06/47,031.10
  6. Step 6: Final answer
    x = 60,573.44

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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.