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Finding the Fourth Proportional to 66,900.40, 92,326.82 and 44,199.57

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Solution

The fourth proportional to 66,900.40, 92,326.82 and 44,199.57 is: 60,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,900.40 : 92,326.82 = 44,199.57 : x
  2. Step 2: Convert to fraction form
    66,900.40/92,326.82 = 44,199.57/x
  3. Step 3: Cross multiply
    66,900.40x = 92,326.82 × 44,199.57
  4. Step 4: Simplify right side
    66,900.40x = 4,080,805,743.47
  5. Step 5: Solve for x
    x = 4,080,805,743.47/66,900.40
  6. Step 6: Final answer
    x = 60,998.23

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1.5x scale

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.