Home / 85,524.03-128,301.41-29,349.59

Finding the Fourth Proportional to 85,524.03, 128,301.41 and 29,349.59

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Solution

The fourth proportional to 85,524.03, 128,301.41 and 29,349.59 is: 44,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524.03 : 128,301.41 = 29,349.59 : x
  2. Step 2: Convert to fraction form
    85,524.03/128,301.41 = 29,349.59/x
  3. Step 3: Cross multiply
    85,524.03x = 128,301.41 × 29,349.59
  4. Step 4: Simplify right side
    85,524.03x = 3,765,593,211.79
  5. Step 5: Solve for x
    x = 3,765,593,211.79/85,524.03
  6. Step 6: Final answer
    x = 44,029.65

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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.