Home / 75,615.78-113,440.62-23,029.38

Finding the Fourth Proportional to 75,615.78, 113,440.62 and 23,029.38

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Solution

The fourth proportional to 75,615.78, 113,440.62 and 23,029.38 is: 34,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,615.78 : 113,440.62 = 23,029.38 : x
  2. Step 2: Convert to fraction form
    75,615.78/113,440.62 = 23,029.38/x
  3. Step 3: Cross multiply
    75,615.78x = 113,440.62 × 23,029.38
  4. Step 4: Simplify right side
    75,615.78x = 2,612,467,145.42
  5. Step 5: Solve for x
    x = 2,612,467,145.42/75,615.78
  6. Step 6: Final answer
    x = 34,549.23

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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.