Home / 69,670.50-96,148.94-40,991.64

Finding the Fourth Proportional to 69,670.50, 96,148.94 and 40,991.64

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Solution

The fourth proportional to 69,670.50, 96,148.94 and 40,991.64 is: 56,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,670.50 : 96,148.94 = 40,991.64 : x
  2. Step 2: Convert to fraction form
    69,670.50/96,148.94 = 40,991.64/x
  3. Step 3: Cross multiply
    69,670.50x = 96,148.94 × 40,991.64
  4. Step 4: Simplify right side
    69,670.50x = 3,941,302,529.90
  5. Step 5: Solve for x
    x = 3,941,302,529.90/69,670.50
  6. Step 6: Final answer
    x = 56,570.61

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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.