Home / 85,257.06-127,922.43-45,768.02

Finding the Fourth Proportional to 85,257.06, 127,922.43 and 45,768.02

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Solution

The fourth proportional to 85,257.06, 127,922.43 and 45,768.02 is: 68,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.06 : 127,922.43 = 45,768.02 : x
  2. Step 2: Convert to fraction form
    85,257.06/127,922.43 = 45,768.02/x
  3. Step 3: Cross multiply
    85,257.06x = 127,922.43 × 45,768.02
  4. Step 4: Simplify right side
    85,257.06x = 5,854,756,334.69
  5. Step 5: Solve for x
    x = 5,854,756,334.69/85,257.06
  6. Step 6: Final answer
    x = 68,671.81

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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.