Home / 68,501.96-94,533.36-40,208.12

Finding the Fourth Proportional to 68,501.96, 94,533.36 and 40,208.12

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Solution

The fourth proportional to 68,501.96, 94,533.36 and 40,208.12 is: 55,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,501.96 : 94,533.36 = 40,208.12 : x
  2. Step 2: Convert to fraction form
    68,501.96/94,533.36 = 40,208.12/x
  3. Step 3: Cross multiply
    68,501.96x = 94,533.36 × 40,208.12
  4. Step 4: Simplify right side
    68,501.96x = 3,801,008,682.88
  5. Step 5: Solve for x
    x = 3,801,008,682.88/68,501.96
  6. Step 6: Final answer
    x = 55,487.59

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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.