Home / 66,917.58-92,353.98-40,060.09

Finding the Fourth Proportional to 66,917.58, 92,353.98 and 40,060.09

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Solution

The fourth proportional to 66,917.58, 92,353.98 and 40,060.09 is: 55,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917.58 : 92,353.98 = 40,060.09 : x
  2. Step 2: Convert to fraction form
    66,917.58/92,353.98 = 40,060.09/x
  3. Step 3: Cross multiply
    66,917.58x = 92,353.98 × 40,060.09
  4. Step 4: Simplify right side
    66,917.58x = 3,699,708,384.17
  5. Step 5: Solve for x
    x = 3,699,708,384.17/66,917.58
  6. Step 6: Final answer
    x = 55,287.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.