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Finding the Fourth Proportional to 85,163.34, 127,745.01 and 32,588.94

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Solution

The fourth proportional to 85,163.34, 127,745.01 and 32,588.94 is: 48,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,163.34 : 127,745.01 = 32,588.94 : x
  2. Step 2: Convert to fraction form
    85,163.34/127,745.01 = 32,588.94/x
  3. Step 3: Cross multiply
    85,163.34x = 127,745.01 × 32,588.94
  4. Step 4: Simplify right side
    85,163.34x = 4,163,074,466.19
  5. Step 5: Solve for x
    x = 4,163,074,466.19/85,163.34
  6. Step 6: Final answer
    x = 48,883.41

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1.5x scale

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.