Home / 85,033.10-127,551.75-40,664.54

Finding the Fourth Proportional to 85,033.10, 127,551.75 and 40,664.54

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Solution

The fourth proportional to 85,033.10, 127,551.75 and 40,664.54 is: 60,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,033.10 : 127,551.75 = 40,664.54 : x
  2. Step 2: Convert to fraction form
    85,033.10/127,551.75 = 40,664.54/x
  3. Step 3: Cross multiply
    85,033.10x = 127,551.75 × 40,664.54
  4. Step 4: Simplify right side
    85,033.10x = 5,186,833,239.95
  5. Step 5: Solve for x
    x = 5,186,833,239.95/85,033.10
  6. Step 6: Final answer
    x = 60,997.81

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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.