Home / 89,604.72-134,490.20-45,262.58

Finding the Fourth Proportional to 89,604.72, 134,490.20 and 45,262.58

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Solution

The fourth proportional to 89,604.72, 134,490.20 and 45,262.58 is: 67,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,604.72 : 134,490.20 = 45,262.58 : x
  2. Step 2: Convert to fraction form
    89,604.72/134,490.20 = 45,262.58/x
  3. Step 3: Cross multiply
    89,604.72x = 134,490.20 × 45,262.58
  4. Step 4: Simplify right side
    89,604.72x = 6,087,372,537.95
  5. Step 5: Solve for x
    x = 6,087,372,537.95/89,604.72
  6. Step 6: Final answer
    x = 67,935.85

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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.