Home / 84,942.59-127,410.63-25,775.87

Finding the Fourth Proportional to 84,942.59, 127,410.63 and 25,775.87

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Solution

The fourth proportional to 84,942.59, 127,410.63 and 25,775.87 is: 38,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.59 : 127,410.63 = 25,775.87 : x
  2. Step 2: Convert to fraction form
    84,942.59/127,410.63 = 25,775.87/x
  3. Step 3: Cross multiply
    84,942.59x = 127,410.63 × 25,775.87
  4. Step 4: Simplify right side
    84,942.59x = 3,284,119,835.50
  5. Step 5: Solve for x
    x = 3,284,119,835.50/84,942.59
  6. Step 6: Final answer
    x = 38,662.82

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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.