Home / 90,411.12-135,601.20-23,851.94

Finding the Fourth Proportional to 90,411.12, 135,601.20 and 23,851.94

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Solution

The fourth proportional to 90,411.12, 135,601.20 and 23,851.94 is: 35,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,411.12 : 135,601.20 = 23,851.94 : x
  2. Step 2: Convert to fraction form
    90,411.12/135,601.20 = 23,851.94/x
  3. Step 3: Cross multiply
    90,411.12x = 135,601.20 × 23,851.94
  4. Step 4: Simplify right side
    90,411.12x = 3,234,351,008.32
  5. Step 5: Solve for x
    x = 3,234,351,008.32/90,411.12
  6. Step 6: Final answer
    x = 35,773.82

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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.