Home / 85,923.36-128,877.48-23,593.86

Finding the Fourth Proportional to 85,923.36, 128,877.48 and 23,593.86

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Solution

The fourth proportional to 85,923.36, 128,877.48 and 23,593.86 is: 35,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,923.36 : 128,877.48 = 23,593.86 : x
  2. Step 2: Convert to fraction form
    85,923.36/128,877.48 = 23,593.86/x
  3. Step 3: Cross multiply
    85,923.36x = 128,877.48 × 23,593.86
  4. Step 4: Simplify right side
    85,923.36x = 3,040,717,220.27
  5. Step 5: Solve for x
    x = 3,040,717,220.27/85,923.36
  6. Step 6: Final answer
    x = 35,388.71

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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.