Home / 68,700.17-103,076.21-26,582.78

Finding the Fourth Proportional to 68,700.17, 103,076.21 and 26,582.78

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Solution

The fourth proportional to 68,700.17, 103,076.21 and 26,582.78 is: 39,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,700.17 : 103,076.21 = 26,582.78 : x
  2. Step 2: Convert to fraction form
    68,700.17/103,076.21 = 26,582.78/x
  3. Step 3: Cross multiply
    68,700.17x = 103,076.21 × 26,582.78
  4. Step 4: Simplify right side
    68,700.17x = 2,740,051,565.37
  5. Step 5: Solve for x
    x = 2,740,051,565.37/68,700.17
  6. Step 6: Final answer
    x = 39,884.21

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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.