Home / 64,515.15-96,771.87-31,238.19

Finding the Fourth Proportional to 64,515.15, 96,771.87 and 31,238.19

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Solution

The fourth proportional to 64,515.15, 96,771.87 and 31,238.19 is: 46,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515.15 : 96,771.87 = 31,238.19 : x
  2. Step 2: Convert to fraction form
    64,515.15/96,771.87 = 31,238.19/x
  3. Step 3: Cross multiply
    64,515.15x = 96,771.87 × 31,238.19
  4. Step 4: Simplify right side
    64,515.15x = 3,022,978,061.72
  5. Step 5: Solve for x
    x = 3,022,978,061.72/64,515.15
  6. Step 6: Final answer
    x = 46,856.87

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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.