Home / 48,031.70-71,899.91-40,945.82

Finding the Fourth Proportional to 48,031.70, 71,899.91 and 40,945.82

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Solution

The fourth proportional to 48,031.70, 71,899.91 and 40,945.82 is: 61,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,031.70 : 71,899.91 = 40,945.82 : x
  2. Step 2: Convert to fraction form
    48,031.70/71,899.91 = 40,945.82/x
  3. Step 3: Cross multiply
    48,031.70x = 71,899.91 × 40,945.82
  4. Step 4: Simplify right side
    48,031.70x = 2,944,000,208.65
  5. Step 5: Solve for x
    x = 2,944,000,208.65/48,031.70
  6. Step 6: Final answer
    x = 61,292.87

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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.