Home / 85,325.54-128,003.22-29,152.44

Finding the Fourth Proportional to 85,325.54, 128,003.22 and 29,152.44

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Solution

The fourth proportional to 85,325.54, 128,003.22 and 29,152.44 is: 43,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,325.54 : 128,003.22 = 29,152.44 : x
  2. Step 2: Convert to fraction form
    85,325.54/128,003.22 = 29,152.44/x
  3. Step 3: Cross multiply
    85,325.54x = 128,003.22 × 29,152.44
  4. Step 4: Simplify right side
    85,325.54x = 3,731,606,190.86
  5. Step 5: Solve for x
    x = 3,731,606,190.86/85,325.54
  6. Step 6: Final answer
    x = 43,733.76

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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.