Home / 69,946.94-96,563.31-54,390.08

Finding the Fourth Proportional to 69,946.94, 96,563.31 and 54,390.08

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Solution

The fourth proportional to 69,946.94, 96,563.31 and 54,390.08 is: 75,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,946.94 : 96,563.31 = 54,390.08 : x
  2. Step 2: Convert to fraction form
    69,946.94/96,563.31 = 54,390.08/x
  3. Step 3: Cross multiply
    69,946.94x = 96,563.31 × 54,390.08
  4. Step 4: Simplify right side
    69,946.94x = 5,252,086,155.96
  5. Step 5: Solve for x
    x = 5,252,086,155.96/69,946.94
  6. Step 6: Final answer
    x = 75,086.72

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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.