Home / 83,358.03-124,768.56-54,918.46

Finding the Fourth Proportional to 83,358.03, 124,768.56 and 54,918.46

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Solution

The fourth proportional to 83,358.03, 124,768.56 and 54,918.46 is: 82,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.03 : 124,768.56 = 54,918.46 : x
  2. Step 2: Convert to fraction form
    83,358.03/124,768.56 = 54,918.46/x
  3. Step 3: Cross multiply
    83,358.03x = 124,768.56 × 54,918.46
  4. Step 4: Simplify right side
    83,358.03x = 6,852,097,388.99
  5. Step 5: Solve for x
    x = 6,852,097,388.99/83,358.03
  6. Step 6: Final answer
    x = 82,200.81

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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.