Home / 68,864.83-103,200.23-54,762.28

Finding the Fourth Proportional to 68,864.83, 103,200.23 and 54,762.28

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Solution

The fourth proportional to 68,864.83, 103,200.23 and 54,762.28 is: 82,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.83 : 103,200.23 = 54,762.28 : x
  2. Step 2: Convert to fraction form
    68,864.83/103,200.23 = 54,762.28/x
  3. Step 3: Cross multiply
    68,864.83x = 103,200.23 × 54,762.28
  4. Step 4: Simplify right side
    68,864.83x = 5,651,479,770.23
  5. Step 5: Solve for x
    x = 5,651,479,770.23/68,864.83
  6. Step 6: Final answer
    x = 82,066.27

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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.