Home / 84,942.74-127,410.87-25,776.02

Finding the Fourth Proportional to 84,942.74, 127,410.87 and 25,776.02

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Solution

The fourth proportional to 84,942.74, 127,410.87 and 25,776.02 is: 38,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.74 : 127,410.87 = 25,776.02 : x
  2. Step 2: Convert to fraction form
    84,942.74/127,410.87 = 25,776.02/x
  3. Step 3: Cross multiply
    84,942.74x = 127,410.87 × 25,776.02
  4. Step 4: Simplify right side
    84,942.74x = 3,284,145,548.52
  5. Step 5: Solve for x
    x = 3,284,145,548.52/84,942.74
  6. Step 6: Final answer
    x = 38,663.05

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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.