Home / 115,325.83-172,996.04-48,753.55

Finding the Fourth Proportional to 115,325.83, 172,996.04 and 48,753.55

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Solution

The fourth proportional to 115,325.83, 172,996.04 and 48,753.55 is: 73,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,325.83 : 172,996.04 = 48,753.55 : x
  2. Step 2: Convert to fraction form
    115,325.83/172,996.04 = 48,753.55/x
  3. Step 3: Cross multiply
    115,325.83x = 172,996.04 × 48,753.55
  4. Step 4: Simplify right side
    115,325.83x = 8,434,171,085.94
  5. Step 5: Solve for x
    x = 8,434,171,085.94/115,325.83
  6. Step 6: Final answer
    x = 73,133.41

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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.