Home / 88,255.73-121,795.53-54,284.15

Finding the Fourth Proportional to 88,255.73, 121,795.53 and 54,284.15

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Solution

The fourth proportional to 88,255.73, 121,795.53 and 54,284.15 is: 74,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.73 : 121,795.53 = 54,284.15 : x
  2. Step 2: Convert to fraction form
    88,255.73/121,795.53 = 54,284.15/x
  3. Step 3: Cross multiply
    88,255.73x = 121,795.53 × 54,284.15
  4. Step 4: Simplify right side
    88,255.73x = 6,611,566,819.85
  5. Step 5: Solve for x
    x = 6,611,566,819.85/88,255.73
  6. Step 6: Final answer
    x = 74,913.74

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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.