Home / 82,688.41-124,133.46-54,632.44

Finding the Fourth Proportional to 82,688.41, 124,133.46 and 54,632.44

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Solution

The fourth proportional to 82,688.41, 124,133.46 and 54,632.44 is: 82,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,688.41 : 124,133.46 = 54,632.44 : x
  2. Step 2: Convert to fraction form
    82,688.41/124,133.46 = 54,632.44/x
  3. Step 3: Cross multiply
    82,688.41x = 124,133.46 × 54,632.44
  4. Step 4: Simplify right side
    82,688.41x = 6,781,713,805.44
  5. Step 5: Solve for x
    x = 6,781,713,805.44/82,688.41
  6. Step 6: Final answer
    x = 82,015.29

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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.