Home / 101,835.05-152,691.22-45,665.00

Finding the Fourth Proportional to 101,835.05, 152,691.22 and 45,665.00

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Solution

The fourth proportional to 101,835.05, 152,691.22 and 45,665.00 is: 68,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,835.05 : 152,691.22 = 45,665.00 : x
  2. Step 2: Convert to fraction form
    101,835.05/152,691.22 = 45,665.00/x
  3. Step 3: Cross multiply
    101,835.05x = 152,691.22 × 45,665.00
  4. Step 4: Simplify right side
    101,835.05x = 6,972,643,569.52
  5. Step 5: Solve for x
    x = 6,972,643,569.52/101,835.05
  6. Step 6: Final answer
    x = 68,469.98

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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.