Home / 89,926.56-134,892-30,761.82

Finding the Fourth Proportional to 89,926.56, 134,892 and 30,761.82

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Solution

The fourth proportional to 89,926.56, 134,892 and 30,761.82 is: 46,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.56 : 134,892 = 30,761.82 : x
  2. Step 2: Convert to fraction form
    89,926.56/134,892 = 30,761.82/x
  3. Step 3: Cross multiply
    89,926.56x = 134,892 × 30,761.82
  4. Step 4: Simplify right side
    89,926.56x = 4,149,523,423.44
  5. Step 5: Solve for x
    x = 4,149,523,423.44/89,926.56
  6. Step 6: Final answer
    x = 46,143.47

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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.