Home / 83,576.06-115,351.94-56,727.22

Finding the Fourth Proportional to 83,576.06, 115,351.94 and 56,727.22

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Solution

The fourth proportional to 83,576.06, 115,351.94 and 56,727.22 is: 78,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,576.06 : 115,351.94 = 56,727.22 : x
  2. Step 2: Convert to fraction form
    83,576.06/115,351.94 = 56,727.22/x
  3. Step 3: Cross multiply
    83,576.06x = 115,351.94 × 56,727.22
  4. Step 4: Simplify right side
    83,576.06x = 6,543,594,017.41
  5. Step 5: Solve for x
    x = 6,543,594,017.41/83,576.06
  6. Step 6: Final answer
    x = 78,295.08

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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.