Home / 110,772.20-152,804.06-72,593.32

Finding the Fourth Proportional to 110,772.20, 152,804.06 and 72,593.32

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Solution

The fourth proportional to 110,772.20, 152,804.06 and 72,593.32 is: 100,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,772.20 : 152,804.06 = 72,593.32 : x
  2. Step 2: Convert to fraction form
    110,772.20/152,804.06 = 72,593.32/x
  3. Step 3: Cross multiply
    110,772.20x = 152,804.06 × 72,593.32
  4. Step 4: Simplify right side
    110,772.20x = 11,092,554,024.88
  5. Step 5: Solve for x
    x = 11,092,554,024.88/110,772.20
  6. Step 6: Final answer
    x = 100,138.43

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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.