Home / 75,731.06-113,617.04-23,139.11

Finding the Fourth Proportional to 75,731.06, 113,617.04 and 23,139.11

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Solution

The fourth proportional to 75,731.06, 113,617.04 and 23,139.11 is: 34,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,731.06 : 113,617.04 = 23,139.11 : x
  2. Step 2: Convert to fraction form
    75,731.06/113,617.04 = 23,139.11/x
  3. Step 3: Cross multiply
    75,731.06x = 113,617.04 × 23,139.11
  4. Step 4: Simplify right side
    75,731.06x = 2,628,997,186.43
  5. Step 5: Solve for x
    x = 2,628,997,186.43/75,731.06
  6. Step 6: Final answer
    x = 34,714.91

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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.