Home / 96,546.48-144,778.65-43,989.36

Finding the Fourth Proportional to 96,546.48, 144,778.65 and 43,989.36

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Solution

The fourth proportional to 96,546.48, 144,778.65 and 43,989.36 is: 65,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,546.48 : 144,778.65 = 43,989.36 : x
  2. Step 2: Convert to fraction form
    96,546.48/144,778.65 = 43,989.36/x
  3. Step 3: Cross multiply
    96,546.48x = 144,778.65 × 43,989.36
  4. Step 4: Simplify right side
    96,546.48x = 6,368,720,155.16
  5. Step 5: Solve for x
    x = 6,368,720,155.16/96,546.48
  6. Step 6: Final answer
    x = 65,965.33

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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.