Home / 80,950.86-111,725.64-46,979.46

Finding the Fourth Proportional to 80,950.86, 111,725.64 and 46,979.46

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Solution

The fourth proportional to 80,950.86, 111,725.64 and 46,979.46 is: 64,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,950.86 : 111,725.64 = 46,979.46 : x
  2. Step 2: Convert to fraction form
    80,950.86/111,725.64 = 46,979.46/x
  3. Step 3: Cross multiply
    80,950.86x = 111,725.64 × 46,979.46
  4. Step 4: Simplify right side
    80,950.86x = 5,248,810,235.35
  5. Step 5: Solve for x
    x = 5,248,810,235.35/80,950.86
  6. Step 6: Final answer
    x = 64,839.46

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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.