Home / 80,326.77-110,800.62-51,683.74

Finding the Fourth Proportional to 80,326.77, 110,800.62 and 51,683.74

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Solution

The fourth proportional to 80,326.77, 110,800.62 and 51,683.74 is: 71,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,326.77 : 110,800.62 = 51,683.74 : x
  2. Step 2: Convert to fraction form
    80,326.77/110,800.62 = 51,683.74/x
  3. Step 3: Cross multiply
    80,326.77x = 110,800.62 × 51,683.74
  4. Step 4: Simplify right side
    80,326.77x = 5,726,590,435.92
  5. Step 5: Solve for x
    x = 5,726,590,435.92/80,326.77
  6. Step 6: Final answer
    x = 71,291.18

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1.5x scale

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.