Home / 55,222.30-82,876.65-25,643.80

Finding the Fourth Proportional to 55,222.30, 82,876.65 and 25,643.80

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Solution

The fourth proportional to 55,222.30, 82,876.65 and 25,643.80 is: 38,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.30 : 82,876.65 = 25,643.80 : x
  2. Step 2: Convert to fraction form
    55,222.30/82,876.65 = 25,643.80/x
  3. Step 3: Cross multiply
    55,222.30x = 82,876.65 × 25,643.80
  4. Step 4: Simplify right side
    55,222.30x = 2,125,272,237.27
  5. Step 5: Solve for x
    x = 2,125,272,237.27/55,222.30
  6. Step 6: Final answer
    x = 38,485.76

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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.