Home / 82,240.36-123,360.54-47,202.28

Finding the Fourth Proportional to 82,240.36, 123,360.54 and 47,202.28

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Solution

The fourth proportional to 82,240.36, 123,360.54 and 47,202.28 is: 70,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,240.36 : 123,360.54 = 47,202.28 : x
  2. Step 2: Convert to fraction form
    82,240.36/123,360.54 = 47,202.28/x
  3. Step 3: Cross multiply
    82,240.36x = 123,360.54 × 47,202.28
  4. Step 4: Simplify right side
    82,240.36x = 5,822,898,750.03
  5. Step 5: Solve for x
    x = 5,822,898,750.03/82,240.36
  6. Step 6: Final answer
    x = 70,803.42

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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.