Home / 48,659.30-72,991.35-25,331.30

Finding the Fourth Proportional to 48,659.30, 72,991.35 and 25,331.30

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Solution

The fourth proportional to 48,659.30, 72,991.35 and 25,331.30 is: 37,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.30 : 72,991.35 = 25,331.30 : x
  2. Step 2: Convert to fraction form
    48,659.30/72,991.35 = 25,331.30/x
  3. Step 3: Cross multiply
    48,659.30x = 72,991.35 × 25,331.30
  4. Step 4: Simplify right side
    48,659.30x = 1,848,965,784.26
  5. Step 5: Solve for x
    x = 1,848,965,784.26/48,659.30
  6. Step 6: Final answer
    x = 37,998.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.