Home / 69,246.66-103,887.50-19,326.72

Finding the Fourth Proportional to 69,246.66, 103,887.50 and 19,326.72

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Solution

The fourth proportional to 69,246.66, 103,887.50 and 19,326.72 is: 28,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,246.66 : 103,887.50 = 19,326.72 : x
  2. Step 2: Convert to fraction form
    69,246.66/103,887.50 = 19,326.72/x
  3. Step 3: Cross multiply
    69,246.66x = 103,887.50 × 19,326.72
  4. Step 4: Simplify right side
    69,246.66x = 2,007,804,527.37
  5. Step 5: Solve for x
    x = 2,007,804,527.37/69,246.66
  6. Step 6: Final answer
    x = 28,994.97

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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.