Home / 78,197.25-108,001.32-53,003.01

Finding the Fourth Proportional to 78,197.25, 108,001.32 and 53,003.01

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Solution

The fourth proportional to 78,197.25, 108,001.32 and 53,003.01 is: 73,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,197.25 : 108,001.32 = 53,003.01 : x
  2. Step 2: Convert to fraction form
    78,197.25/108,001.32 = 53,003.01/x
  3. Step 3: Cross multiply
    78,197.25x = 108,001.32 × 53,003.01
  4. Step 4: Simplify right side
    78,197.25x = 5,724,395,043.97
  5. Step 5: Solve for x
    x = 5,724,395,043.97/78,197.25
  6. Step 6: Final answer
    x = 73,204.56

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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.