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Finding the Fourth Proportional to 66,652.92, 99,959.16 and 35,045.94

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Solution

The fourth proportional to 66,652.92, 99,959.16 and 35,045.94 is: 52,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652.92 : 99,959.16 = 35,045.94 : x
  2. Step 2: Convert to fraction form
    66,652.92/99,959.16 = 35,045.94/x
  3. Step 3: Cross multiply
    66,652.92x = 99,959.16 × 35,045.94
  4. Step 4: Simplify right side
    66,652.92x = 3,503,162,723.81
  5. Step 5: Solve for x
    x = 3,503,162,723.81/66,652.92
  6. Step 6: Final answer
    x = 52,558.28

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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.