Home / 68,034.21-93,885.39-37,818.78

Finding the Fourth Proportional to 68,034.21, 93,885.39 and 37,818.78

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Solution

The fourth proportional to 68,034.21, 93,885.39 and 37,818.78 is: 52,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,034.21 : 93,885.39 = 37,818.78 : x
  2. Step 2: Convert to fraction form
    68,034.21/93,885.39 = 37,818.78/x
  3. Step 3: Cross multiply
    68,034.21x = 93,885.39 × 37,818.78
  4. Step 4: Simplify right side
    68,034.21x = 3,550,630,909.62
  5. Step 5: Solve for x
    x = 3,550,630,909.62/68,034.21
  6. Step 6: Final answer
    x = 52,188.90

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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.