Home / 65,822.57-90,835.04-35,607.79

Finding the Fourth Proportional to 65,822.57, 90,835.04 and 35,607.79

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Solution

The fourth proportional to 65,822.57, 90,835.04 and 35,607.79 is: 49,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.57 : 90,835.04 = 35,607.79 : x
  2. Step 2: Convert to fraction form
    65,822.57/90,835.04 = 35,607.79/x
  3. Step 3: Cross multiply
    65,822.57x = 90,835.04 × 35,607.79
  4. Step 4: Simplify right side
    65,822.57x = 3,234,435,028.96
  5. Step 5: Solve for x
    x = 3,234,435,028.96/65,822.57
  6. Step 6: Final answer
    x = 49,138.70

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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.