Home / 69,913-96,438.66-49,472.04

Finding the Fourth Proportional to 69,913, 96,438.66 and 49,472.04

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Solution

The fourth proportional to 69,913, 96,438.66 and 49,472.04 is: 68,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,913 : 96,438.66 = 49,472.04 : x
  2. Step 2: Convert to fraction form
    69,913/96,438.66 = 49,472.04/x
  3. Step 3: Cross multiply
    69,913x = 96,438.66 × 49,472.04
  4. Step 4: Simplify right side
    69,913x = 4,771,017,245.07
  5. Step 5: Solve for x
    x = 4,771,017,245.07/69,913
  6. Step 6: Final answer
    x = 68,242.20

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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.