Home / 71,514.24-107,271.44-36,478.50

Finding the Fourth Proportional to 71,514.24, 107,271.44 and 36,478.50

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Solution

The fourth proportional to 71,514.24, 107,271.44 and 36,478.50 is: 54,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,514.24 : 107,271.44 = 36,478.50 : x
  2. Step 2: Convert to fraction form
    71,514.24/107,271.44 = 36,478.50/x
  3. Step 3: Cross multiply
    71,514.24x = 107,271.44 × 36,478.50
  4. Step 4: Simplify right side
    71,514.24x = 3,913,101,224.04
  5. Step 5: Solve for x
    x = 3,913,101,224.04/71,514.24
  6. Step 6: Final answer
    x = 54,717.79

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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.