Home / 71,649.15-107,309.82-34,235.52

Finding the Fourth Proportional to 71,649.15, 107,309.82 and 34,235.52

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Solution

The fourth proportional to 71,649.15, 107,309.82 and 34,235.52 is: 51,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,649.15 : 107,309.82 = 34,235.52 : x
  2. Step 2: Convert to fraction form
    71,649.15/107,309.82 = 34,235.52/x
  3. Step 3: Cross multiply
    71,649.15x = 107,309.82 × 34,235.52
  4. Step 4: Simplify right side
    71,649.15x = 3,673,807,488.81
  5. Step 5: Solve for x
    x = 3,673,807,488.81/71,649.15
  6. Step 6: Final answer
    x = 51,274.96

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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.