Home / 66,908.44-92,336.64-40,045.84

Finding the Fourth Proportional to 66,908.44, 92,336.64 and 40,045.84

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Solution

The fourth proportional to 66,908.44, 92,336.64 and 40,045.84 is: 55,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.44 : 92,336.64 = 40,045.84 : x
  2. Step 2: Convert to fraction form
    66,908.44/92,336.64 = 40,045.84/x
  3. Step 3: Cross multiply
    66,908.44x = 92,336.64 × 40,045.84
  4. Step 4: Simplify right side
    66,908.44x = 3,697,698,311.58
  5. Step 5: Solve for x
    x = 3,697,698,311.58/66,908.44
  6. Step 6: Final answer
    x = 55,265.05

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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.