Home / 73,009.54-109,560.38-28,635.11

Finding the Fourth Proportional to 73,009.54, 109,560.38 and 28,635.11

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Solution

The fourth proportional to 73,009.54, 109,560.38 and 28,635.11 is: 42,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009.54 : 109,560.38 = 28,635.11 : x
  2. Step 2: Convert to fraction form
    73,009.54/109,560.38 = 28,635.11/x
  3. Step 3: Cross multiply
    73,009.54x = 109,560.38 × 28,635.11
  4. Step 4: Simplify right side
    73,009.54x = 3,137,272,841.96
  5. Step 5: Solve for x
    x = 3,137,272,841.96/73,009.54
  6. Step 6: Final answer
    x = 42,970.73

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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.