Home / 88,253.66-121,787.06-50,520.62

Finding the Fourth Proportional to 88,253.66, 121,787.06 and 50,520.62

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Solution

The fourth proportional to 88,253.66, 121,787.06 and 50,520.62 is: 69,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,253.66 : 121,787.06 = 50,520.62 : x
  2. Step 2: Convert to fraction form
    88,253.66/121,787.06 = 50,520.62/x
  3. Step 3: Cross multiply
    88,253.66x = 121,787.06 × 50,520.62
  4. Step 4: Simplify right side
    88,253.66x = 6,152,757,779.18
  5. Step 5: Solve for x
    x = 6,152,757,779.18/88,253.66
  6. Step 6: Final answer
    x = 69,716.74

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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.