Home / 72,932.36-109,398.54-23,012.60

Finding the Fourth Proportional to 72,932.36, 109,398.54 and 23,012.60

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Solution

The fourth proportional to 72,932.36, 109,398.54 and 23,012.60 is: 34,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.36 : 109,398.54 = 23,012.60 : x
  2. Step 2: Convert to fraction form
    72,932.36/109,398.54 = 23,012.60/x
  3. Step 3: Cross multiply
    72,932.36x = 109,398.54 × 23,012.60
  4. Step 4: Simplify right side
    72,932.36x = 2,517,544,841.60
  5. Step 5: Solve for x
    x = 2,517,544,841.60/72,932.36
  6. Step 6: Final answer
    x = 34,518.90

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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.