Home / 75,414.83-113,122.11-19,254.94

Finding the Fourth Proportional to 75,414.83, 113,122.11 and 19,254.94

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Solution

The fourth proportional to 75,414.83, 113,122.11 and 19,254.94 is: 28,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.83 : 113,122.11 = 19,254.94 : x
  2. Step 2: Convert to fraction form
    75,414.83/113,122.11 = 19,254.94/x
  3. Step 3: Cross multiply
    75,414.83x = 113,122.11 × 19,254.94
  4. Step 4: Simplify right side
    75,414.83x = 2,178,159,440.72
  5. Step 5: Solve for x
    x = 2,178,159,440.72/75,414.83
  6. Step 6: Final answer
    x = 28,882.38

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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.