Home / 85,433.05-128,125.36-35,451.33

Finding the Fourth Proportional to 85,433.05, 128,125.36 and 35,451.33

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Solution

The fourth proportional to 85,433.05, 128,125.36 and 35,451.33 is: 53,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,433.05 : 128,125.36 = 35,451.33 : x
  2. Step 2: Convert to fraction form
    85,433.05/128,125.36 = 35,451.33/x
  3. Step 3: Cross multiply
    85,433.05x = 128,125.36 × 35,451.33
  4. Step 4: Simplify right side
    85,433.05x = 4,542,214,418.73
  5. Step 5: Solve for x
    x = 4,542,214,418.73/85,433.05
  6. Step 6: Final answer
    x = 53,166.95

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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.