Home / 68,349.78-94,329.99-38,145.60

Finding the Fourth Proportional to 68,349.78, 94,329.99 and 38,145.60

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Solution

The fourth proportional to 68,349.78, 94,329.99 and 38,145.60 is: 52,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349.78 : 94,329.99 = 38,145.60 : x
  2. Step 2: Convert to fraction form
    68,349.78/94,329.99 = 38,145.60/x
  3. Step 3: Cross multiply
    68,349.78x = 94,329.99 × 38,145.60
  4. Step 4: Simplify right side
    68,349.78x = 3,598,274,066.54
  5. Step 5: Solve for x
    x = 3,598,274,066.54/68,349.78
  6. Step 6: Final answer
    x = 52,645.00

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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.