Home / 85,340.22-128,026.84-32,745.61

Finding the Fourth Proportional to 85,340.22, 128,026.84 and 32,745.61

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Solution

The fourth proportional to 85,340.22, 128,026.84 and 32,745.61 is: 49,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340.22 : 128,026.84 = 32,745.61 : x
  2. Step 2: Convert to fraction form
    85,340.22/128,026.84 = 32,745.61/x
  3. Step 3: Cross multiply
    85,340.22x = 128,026.84 × 32,745.61
  4. Step 4: Simplify right side
    85,340.22x = 4,192,316,972.17
  5. Step 5: Solve for x
    x = 4,192,316,972.17/85,340.22
  6. Step 6: Final answer
    x = 49,124.75

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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.