Home / 72,068.48-108,151.93-25,321.36

Finding the Fourth Proportional to 72,068.48, 108,151.93 and 25,321.36

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Solution

The fourth proportional to 72,068.48, 108,151.93 and 25,321.36 is: 37,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068.48 : 108,151.93 = 25,321.36 : x
  2. Step 2: Convert to fraction form
    72,068.48/108,151.93 = 25,321.36/x
  3. Step 3: Cross multiply
    72,068.48x = 108,151.93 × 25,321.36
  4. Step 4: Simplify right side
    72,068.48x = 2,738,553,989.50
  5. Step 5: Solve for x
    x = 2,738,553,989.50/72,068.48
  6. Step 6: Final answer
    x = 37,999.33

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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.