Home / 68,181.50-94,090.57-37,972.64

Finding the Fourth Proportional to 68,181.50, 94,090.57 and 37,972.64

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Solution

The fourth proportional to 68,181.50, 94,090.57 and 37,972.64 is: 52,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,181.50 : 94,090.57 = 37,972.64 : x
  2. Step 2: Convert to fraction form
    68,181.50/94,090.57 = 37,972.64/x
  3. Step 3: Cross multiply
    68,181.50x = 94,090.57 × 37,972.64
  4. Step 4: Simplify right side
    68,181.50x = 3,572,866,776.62
  5. Step 5: Solve for x
    x = 3,572,866,776.62/68,181.50
  6. Step 6: Final answer
    x = 52,402.29

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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.