Home / 73,322.02-109,983.48-20,731.96

Finding the Fourth Proportional to 73,322.02, 109,983.48 and 20,731.96

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Solution

The fourth proportional to 73,322.02, 109,983.48 and 20,731.96 is: 31,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,322.02 : 109,983.48 = 20,731.96 : x
  2. Step 2: Convert to fraction form
    73,322.02/109,983.48 = 20,731.96/x
  3. Step 3: Cross multiply
    73,322.02x = 109,983.48 × 20,731.96
  4. Step 4: Simplify right side
    73,322.02x = 2,280,173,108.02
  5. Step 5: Solve for x
    x = 2,280,173,108.02/73,322.02
  6. Step 6: Final answer
    x = 31,098.07

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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.