Home / 66,913.86-92,342.88-37,839.90

Finding the Fourth Proportional to 66,913.86, 92,342.88 and 37,839.90

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Solution

The fourth proportional to 66,913.86, 92,342.88 and 37,839.90 is: 52,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.86 : 92,342.88 = 37,839.90 : x
  2. Step 2: Convert to fraction form
    66,913.86/92,342.88 = 37,839.90/x
  3. Step 3: Cross multiply
    66,913.86x = 92,342.88 × 37,839.90
  4. Step 4: Simplify right side
    66,913.86x = 3,494,245,344.91
  5. Step 5: Solve for x
    x = 3,494,245,344.91/66,913.86
  6. Step 6: Final answer
    x = 52,220.05

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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.