Home / 109,985.04-165,039.97-59,383.39

Finding the Fourth Proportional to 109,985.04, 165,039.97 and 59,383.39

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Solution

The fourth proportional to 109,985.04, 165,039.97 and 59,383.39 is: 89,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,985.04 : 165,039.97 = 59,383.39 : x
  2. Step 2: Convert to fraction form
    109,985.04/165,039.97 = 59,383.39/x
  3. Step 3: Cross multiply
    109,985.04x = 165,039.97 × 59,383.39
  4. Step 4: Simplify right side
    109,985.04x = 9,800,632,904.10
  5. Step 5: Solve for x
    x = 9,800,632,904.10/109,985.04
  6. Step 6: Final answer
    x = 89,108.78

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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.