Home / 84,974.79-127,462.17-40,466.61

Finding the Fourth Proportional to 84,974.79, 127,462.17 and 40,466.61

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Solution

The fourth proportional to 84,974.79, 127,462.17 and 40,466.61 is: 60,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,974.79 : 127,462.17 = 40,466.61 : x
  2. Step 2: Convert to fraction form
    84,974.79/127,462.17 = 40,466.61/x
  3. Step 3: Cross multiply
    84,974.79x = 127,462.17 × 40,466.61
  4. Step 4: Simplify right side
    84,974.79x = 5,157,961,923.14
  5. Step 5: Solve for x
    x = 5,157,961,923.14/84,974.79
  6. Step 6: Final answer
    x = 60,699.91

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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.