Home / 53,071.20-73,239.39-29,200.10

Finding the Fourth Proportional to 53,071.20, 73,239.39 and 29,200.10

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Solution

The fourth proportional to 53,071.20, 73,239.39 and 29,200.10 is: 40,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,071.20 : 73,239.39 = 29,200.10 : x
  2. Step 2: Convert to fraction form
    53,071.20/73,239.39 = 29,200.10/x
  3. Step 3: Cross multiply
    53,071.20x = 73,239.39 × 29,200.10
  4. Step 4: Simplify right side
    53,071.20x = 2,138,597,145.74
  5. Step 5: Solve for x
    x = 2,138,597,145.74/53,071.20
  6. Step 6: Final answer
    x = 40,296.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.