Home / 77,902.03-116,816.05-40,424.61

Finding the Fourth Proportional to 77,902.03, 116,816.05 and 40,424.61

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Solution

The fourth proportional to 77,902.03, 116,816.05 and 40,424.61 is: 60,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,902.03 : 116,816.05 = 40,424.61 : x
  2. Step 2: Convert to fraction form
    77,902.03/116,816.05 = 40,424.61/x
  3. Step 3: Cross multiply
    77,902.03x = 116,816.05 × 40,424.61
  4. Step 4: Simplify right side
    77,902.03x = 4,722,243,262.99
  5. Step 5: Solve for x
    x = 4,722,243,262.99/77,902.03
  6. Step 6: Final answer
    x = 60,617.72

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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.