Home / 96,771.41-145,120.09-31,840.69

Finding the Fourth Proportional to 96,771.41, 145,120.09 and 31,840.69

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Solution

The fourth proportional to 96,771.41, 145,120.09 and 31,840.69 is: 47,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771.41 : 145,120.09 = 31,840.69 : x
  2. Step 2: Convert to fraction form
    96,771.41/145,120.09 = 31,840.69/x
  3. Step 3: Cross multiply
    96,771.41x = 145,120.09 × 31,840.69
  4. Step 4: Simplify right side
    96,771.41x = 4,620,723,356.06
  5. Step 5: Solve for x
    x = 4,620,723,356.06/96,771.41
  6. Step 6: Final answer
    x = 47,748.85

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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.