Home / 108,788.69-163,247.73-58,867.78

Finding the Fourth Proportional to 108,788.69, 163,247.73 and 58,867.78

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Solution

The fourth proportional to 108,788.69, 163,247.73 and 58,867.78 is: 88,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,788.69 : 163,247.73 = 58,867.78 : x
  2. Step 2: Convert to fraction form
    108,788.69/163,247.73 = 58,867.78/x
  3. Step 3: Cross multiply
    108,788.69x = 163,247.73 × 58,867.78
  4. Step 4: Simplify right side
    108,788.69x = 9,610,031,297.92
  5. Step 5: Solve for x
    x = 9,610,031,297.92/108,788.69
  6. Step 6: Final answer
    x = 88,336.68

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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.