Home / 82,252.13-123,378.86-19,922.63

Finding the Fourth Proportional to 82,252.13, 123,378.86 and 19,922.63

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Solution

The fourth proportional to 82,252.13, 123,378.86 and 19,922.63 is: 29,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,252.13 : 123,378.86 = 19,922.63 : x
  2. Step 2: Convert to fraction form
    82,252.13/123,378.86 = 19,922.63/x
  3. Step 3: Cross multiply
    82,252.13x = 123,378.86 × 19,922.63
  4. Step 4: Simplify right side
    82,252.13x = 2,458,030,810.51
  5. Step 5: Solve for x
    x = 2,458,030,810.51/82,252.13
  6. Step 6: Final answer
    x = 29,884.10

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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.