Home / 96,728.70-145,005.44-34,384.62

Finding the Fourth Proportional to 96,728.70, 145,005.44 and 34,384.62

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Solution

The fourth proportional to 96,728.70, 145,005.44 and 34,384.62 is: 51,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,728.70 : 145,005.44 = 34,384.62 : x
  2. Step 2: Convert to fraction form
    96,728.70/145,005.44 = 34,384.62/x
  3. Step 3: Cross multiply
    96,728.70x = 145,005.44 × 34,384.62
  4. Step 4: Simplify right side
    96,728.70x = 4,985,956,952.33
  5. Step 5: Solve for x
    x = 4,985,956,952.33/96,728.70
  6. Step 6: Final answer
    x = 51,545.79

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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.