Home / 55,203.15-82,739.91-25,558.38

Finding the Fourth Proportional to 55,203.15, 82,739.91 and 25,558.38

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Solution

The fourth proportional to 55,203.15, 82,739.91 and 25,558.38 is: 38,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,203.15 : 82,739.91 = 25,558.38 : x
  2. Step 2: Convert to fraction form
    55,203.15/82,739.91 = 25,558.38/x
  3. Step 3: Cross multiply
    55,203.15x = 82,739.91 × 25,558.38
  4. Step 4: Simplify right side
    55,203.15x = 2,114,698,060.95
  5. Step 5: Solve for x
    x = 2,114,698,060.95/55,203.15
  6. Step 6: Final answer
    x = 38,307.56

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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.