Home / 82,390.37-123,622.46-37,993.32

Finding the Fourth Proportional to 82,390.37, 123,622.46 and 37,993.32

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Solution

The fourth proportional to 82,390.37, 123,622.46 and 37,993.32 is: 57,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,390.37 : 123,622.46 = 37,993.32 : x
  2. Step 2: Convert to fraction form
    82,390.37/123,622.46 = 37,993.32/x
  3. Step 3: Cross multiply
    82,390.37x = 123,622.46 × 37,993.32
  4. Step 4: Simplify right side
    82,390.37x = 4,696,827,776.95
  5. Step 5: Solve for x
    x = 4,696,827,776.95/82,390.37
  6. Step 6: Final answer
    x = 57,007.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.