Home / 90,551.66-124,947.96-50,265.74

Finding the Fourth Proportional to 90,551.66, 124,947.96 and 50,265.74

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Solution

The fourth proportional to 90,551.66, 124,947.96 and 50,265.74 is: 69,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,551.66 : 124,947.96 = 50,265.74 : x
  2. Step 2: Convert to fraction form
    90,551.66/124,947.96 = 50,265.74/x
  3. Step 3: Cross multiply
    90,551.66x = 124,947.96 × 50,265.74
  4. Step 4: Simplify right side
    90,551.66x = 6,280,601,046.15
  5. Step 5: Solve for x
    x = 6,280,601,046.15/90,551.66
  6. Step 6: Final answer
    x = 69,359.32

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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.