Home / 66,622.23-91,935.93-36,408.60

Finding the Fourth Proportional to 66,622.23, 91,935.93 and 36,408.60

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Solution

The fourth proportional to 66,622.23, 91,935.93 and 36,408.60 is: 50,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622.23 : 91,935.93 = 36,408.60 : x
  2. Step 2: Convert to fraction form
    66,622.23/91,935.93 = 36,408.60/x
  3. Step 3: Cross multiply
    66,622.23x = 91,935.93 × 36,408.60
  4. Step 4: Simplify right side
    66,622.23x = 3,347,258,501.00
  5. Step 5: Solve for x
    x = 3,347,258,501.00/66,622.23
  6. Step 6: Final answer
    x = 50,242.37

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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.