Home / 71,979.47-107,747.72-46,965.66

Finding the Fourth Proportional to 71,979.47, 107,747.72 and 46,965.66

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Solution

The fourth proportional to 71,979.47, 107,747.72 and 46,965.66 is: 70,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,979.47 : 107,747.72 = 46,965.66 : x
  2. Step 2: Convert to fraction form
    71,979.47/107,747.72 = 46,965.66/x
  3. Step 3: Cross multiply
    71,979.47x = 107,747.72 × 46,965.66
  4. Step 4: Simplify right side
    71,979.47x = 5,060,442,320.53
  5. Step 5: Solve for x
    x = 5,060,442,320.53/71,979.47
  6. Step 6: Final answer
    x = 70,303.97

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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.