Home / 88,251.58-121,787.90-47,965.37

Finding the Fourth Proportional to 88,251.58, 121,787.90 and 47,965.37

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Solution

The fourth proportional to 88,251.58, 121,787.90 and 47,965.37 is: 66,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,251.58 : 121,787.90 = 47,965.37 : x
  2. Step 2: Convert to fraction form
    88,251.58/121,787.90 = 47,965.37/x
  3. Step 3: Cross multiply
    88,251.58x = 121,787.90 × 47,965.37
  4. Step 4: Simplify right side
    88,251.58x = 5,841,601,285.93
  5. Step 5: Solve for x
    x = 5,841,601,285.93/88,251.58
  6. Step 6: Final answer
    x = 66,192.60

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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.