Home / 68,213.61-94,137.15-39,533.38

Finding the Fourth Proportional to 68,213.61, 94,137.15 and 39,533.38

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Solution

The fourth proportional to 68,213.61, 94,137.15 and 39,533.38 is: 54,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,213.61 : 94,137.15 = 39,533.38 : x
  2. Step 2: Convert to fraction form
    68,213.61/94,137.15 = 39,533.38/x
  3. Step 3: Cross multiply
    68,213.61x = 94,137.15 × 39,533.38
  4. Step 4: Simplify right side
    68,213.61x = 3,721,559,723.07
  5. Step 5: Solve for x
    x = 3,721,559,723.07/68,213.61
  6. Step 6: Final answer
    x = 54,557.44

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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.