Home / 45,374.16-67,991.94-19,064.52

Finding the Fourth Proportional to 45,374.16, 67,991.94 and 19,064.52

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Solution

The fourth proportional to 45,374.16, 67,991.94 and 19,064.52 is: 28,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.16 : 67,991.94 = 19,064.52 : x
  2. Step 2: Convert to fraction form
    45,374.16/67,991.94 = 19,064.52/x
  3. Step 3: Cross multiply
    45,374.16x = 67,991.94 × 19,064.52
  4. Step 4: Simplify right side
    45,374.16x = 1,296,233,699.97
  5. Step 5: Solve for x
    x = 1,296,233,699.97/45,374.16
  6. Step 6: Final answer
    x = 28,567.66

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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.