Home / 65,846.18-90,867.97-35,631.50

Finding the Fourth Proportional to 65,846.18, 90,867.97 and 35,631.50

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Solution

The fourth proportional to 65,846.18, 90,867.97 and 35,631.50 is: 49,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,846.18 : 90,867.97 = 35,631.50 : x
  2. Step 2: Convert to fraction form
    65,846.18/90,867.97 = 35,631.50/x
  3. Step 3: Cross multiply
    65,846.18x = 90,867.97 × 35,631.50
  4. Step 4: Simplify right side
    65,846.18x = 3,237,762,073.06
  5. Step 5: Solve for x
    x = 3,237,762,073.06/65,846.18
  6. Step 6: Final answer
    x = 49,171.60

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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.