Home / 89,827.70-134,741.55-30,665.30

Finding the Fourth Proportional to 89,827.70, 134,741.55 and 30,665.30

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Solution

The fourth proportional to 89,827.70, 134,741.55 and 30,665.30 is: 45,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827.70 : 134,741.55 = 30,665.30 : x
  2. Step 2: Convert to fraction form
    89,827.70/134,741.55 = 30,665.30/x
  3. Step 3: Cross multiply
    89,827.70x = 134,741.55 × 30,665.30
  4. Step 4: Simplify right side
    89,827.70x = 4,131,890,053.22
  5. Step 5: Solve for x
    x = 4,131,890,053.22/89,827.70
  6. Step 6: Final answer
    x = 45,997.95

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Similar ratio
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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.