Home / 115,788.69-159,767.64-68,051.61

Finding the Fourth Proportional to 115,788.69, 159,767.64 and 68,051.61

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Solution

The fourth proportional to 115,788.69, 159,767.64 and 68,051.61 is: 93,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,788.69 : 159,767.64 = 68,051.61 : x
  2. Step 2: Convert to fraction form
    115,788.69/159,767.64 = 68,051.61/x
  3. Step 3: Cross multiply
    115,788.69x = 159,767.64 × 68,051.61
  4. Step 4: Simplify right side
    115,788.69x = 10,872,445,127.90
  5. Step 5: Solve for x
    x = 10,872,445,127.90/115,788.69
  6. Step 6: Final answer
    x = 93,899.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.