Home / 68,044.86-102,130.47-34,788.69

Finding the Fourth Proportional to 68,044.86, 102,130.47 and 34,788.69

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Solution

The fourth proportional to 68,044.86, 102,130.47 and 34,788.69 is: 52,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,044.86 : 102,130.47 = 34,788.69 : x
  2. Step 2: Convert to fraction form
    68,044.86/102,130.47 = 34,788.69/x
  3. Step 3: Cross multiply
    68,044.86x = 102,130.47 × 34,788.69
  4. Step 4: Simplify right side
    68,044.86x = 3,552,985,260.38
  5. Step 5: Solve for x
    x = 3,552,985,260.38/68,044.86
  6. Step 6: Final answer
    x = 52,215.34

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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.