Home / 88,239.42-121,773.32-51,934.28

Finding the Fourth Proportional to 88,239.42, 121,773.32 and 51,934.28

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Solution

The fourth proportional to 88,239.42, 121,773.32 and 51,934.28 is: 71,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.42 : 121,773.32 = 51,934.28 : x
  2. Step 2: Convert to fraction form
    88,239.42/121,773.32 = 51,934.28/x
  3. Step 3: Cross multiply
    88,239.42x = 121,773.32 × 51,934.28
  4. Step 4: Simplify right side
    88,239.42x = 6,324,210,000.73
  5. Step 5: Solve for x
    x = 6,324,210,000.73/88,239.42
  6. Step 6: Final answer
    x = 71,671.03

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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.