Home / 66,619.23-91,935.76-36,405.83

Finding the Fourth Proportional to 66,619.23, 91,935.76 and 36,405.83

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Solution

The fourth proportional to 66,619.23, 91,935.76 and 36,405.83 is: 50,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.23 : 91,935.76 = 36,405.83 : x
  2. Step 2: Convert to fraction form
    66,619.23/91,935.76 = 36,405.83/x
  3. Step 3: Cross multiply
    66,619.23x = 91,935.76 × 36,405.83
  4. Step 4: Simplify right side
    66,619.23x = 3,346,997,598.00
  5. Step 5: Solve for x
    x = 3,346,997,598.00/66,619.23
  6. Step 6: Final answer
    x = 50,240.71

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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.