Home / 64,639.44-89,202.96-36,344.88

Finding the Fourth Proportional to 64,639.44, 89,202.96 and 36,344.88

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Solution

The fourth proportional to 64,639.44, 89,202.96 and 36,344.88 is: 50,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.44 : 89,202.96 = 36,344.88 : x
  2. Step 2: Convert to fraction form
    64,639.44/89,202.96 = 36,344.88/x
  3. Step 3: Cross multiply
    64,639.44x = 89,202.96 × 36,344.88
  4. Step 4: Simplify right side
    64,639.44x = 3,242,070,876.84
  5. Step 5: Solve for x
    x = 3,242,070,876.84/64,639.44
  6. Step 6: Final answer
    x = 50,156.23

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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.