Home / 66,313.06-91,513.20-36,099.26

Finding the Fourth Proportional to 66,313.06, 91,513.20 and 36,099.26

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Solution

The fourth proportional to 66,313.06, 91,513.20 and 36,099.26 is: 49,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,313.06 : 91,513.20 = 36,099.26 : x
  2. Step 2: Convert to fraction form
    66,313.06/91,513.20 = 36,099.26/x
  3. Step 3: Cross multiply
    66,313.06x = 91,513.20 × 36,099.26
  4. Step 4: Simplify right side
    66,313.06x = 3,303,558,800.23
  5. Step 5: Solve for x
    x = 3,303,558,800.23/66,313.06
  6. Step 6: Final answer
    x = 49,817.62

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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.