Home / 64,425.11-88,906.46-36,131.40

Finding the Fourth Proportional to 64,425.11, 88,906.46 and 36,131.40

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Solution

The fourth proportional to 64,425.11, 88,906.46 and 36,131.40 is: 49,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,425.11 : 88,906.46 = 36,131.40 : x
  2. Step 2: Convert to fraction form
    64,425.11/88,906.46 = 36,131.40/x
  3. Step 3: Cross multiply
    64,425.11x = 88,906.46 × 36,131.40
  4. Step 4: Simplify right side
    64,425.11x = 3,212,314,688.19
  5. Step 5: Solve for x
    x = 3,212,314,688.19/64,425.11
  6. Step 6: Final answer
    x = 49,861.23

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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.