Home / 89,615.22-123,654.53-51,367.73

Finding the Fourth Proportional to 89,615.22, 123,654.53 and 51,367.73

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Solution

The fourth proportional to 89,615.22, 123,654.53 and 51,367.73 is: 70,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,615.22 : 123,654.53 = 51,367.73 : x
  2. Step 2: Convert to fraction form
    89,615.22/123,654.53 = 51,367.73/x
  3. Step 3: Cross multiply
    89,615.22x = 123,654.53 × 51,367.73
  4. Step 4: Simplify right side
    89,615.22x = 6,351,852,683.25
  5. Step 5: Solve for x
    x = 6,351,852,683.25/89,615.22
  6. Step 6: Final answer
    x = 70,879.17

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1.5x scale

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.