Home / 96,789.35-133,545.93-56,480.10

Finding the Fourth Proportional to 96,789.35, 133,545.93 and 56,480.10

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Solution

The fourth proportional to 96,789.35, 133,545.93 and 56,480.10 is: 77,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,789.35 : 133,545.93 = 56,480.10 : x
  2. Step 2: Convert to fraction form
    96,789.35/133,545.93 = 56,480.10/x
  3. Step 3: Cross multiply
    96,789.35x = 133,545.93 × 56,480.10
  4. Step 4: Simplify right side
    96,789.35x = 7,542,687,480.99
  5. Step 5: Solve for x
    x = 7,542,687,480.99/96,789.35
  6. Step 6: Final answer
    x = 77,928.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.