Home / 87,093.48-130,608.84-30,151.91

Finding the Fourth Proportional to 87,093.48, 130,608.84 and 30,151.91

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Solution

The fourth proportional to 87,093.48, 130,608.84 and 30,151.91 is: 45,217.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,093.48 : 130,608.84 = 30,151.91 : x
  2. Step 2: Convert to fraction form
    87,093.48/130,608.84 = 30,151.91/x
  3. Step 3: Cross multiply
    87,093.48x = 130,608.84 × 30,151.91
  4. Step 4: Simplify right side
    87,093.48x = 3,938,106,258.87
  5. Step 5: Solve for x
    x = 3,938,106,258.87/87,093.48
  6. Step 6: Final answer
    x = 45,217.01

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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.