Home / 85,524.08-128,249.40-29,369.82

Finding the Fourth Proportional to 85,524.08, 128,249.40 and 29,369.82

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Solution

The fourth proportional to 85,524.08, 128,249.40 and 29,369.82 is: 44,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524.08 : 128,249.40 = 29,369.82 : x
  2. Step 2: Convert to fraction form
    85,524.08/128,249.40 = 29,369.82/x
  3. Step 3: Cross multiply
    85,524.08x = 128,249.40 × 29,369.82
  4. Step 4: Simplify right side
    85,524.08x = 3,766,661,219.47
  5. Step 5: Solve for x
    x = 3,766,661,219.47/85,524.08
  6. Step 6: Final answer
    x = 44,042.11

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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.