Home / 65,822.15-90,834.47-35,607.41

Finding the Fourth Proportional to 65,822.15, 90,834.47 and 35,607.41

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Solution

The fourth proportional to 65,822.15, 90,834.47 and 35,607.41 is: 49,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.15 : 90,834.47 = 35,607.41 : x
  2. Step 2: Convert to fraction form
    65,822.15/90,834.47 = 35,607.41/x
  3. Step 3: Cross multiply
    65,822.15x = 90,834.47 × 35,607.41
  4. Step 4: Simplify right side
    65,822.15x = 3,234,380,119.90
  5. Step 5: Solve for x
    x = 3,234,380,119.90/65,822.15
  6. Step 6: Final answer
    x = 49,138.17

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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.