Home / 69,664.15-96,165.94-47,033.78

Finding the Fourth Proportional to 69,664.15, 96,165.94 and 47,033.78

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Solution

The fourth proportional to 69,664.15, 96,165.94 and 47,033.78 is: 64,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,664.15 : 96,165.94 = 47,033.78 : x
  2. Step 2: Convert to fraction form
    69,664.15/96,165.94 = 47,033.78/x
  3. Step 3: Cross multiply
    69,664.15x = 96,165.94 × 47,033.78
  4. Step 4: Simplify right side
    69,664.15x = 4,523,047,665.45
  5. Step 5: Solve for x
    x = 4,523,047,665.45/69,664.15
  6. Step 6: Final answer
    x = 64,926.47

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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.