Home / 45,799.93-68,711.51-19,141.31

Finding the Fourth Proportional to 45,799.93, 68,711.51 and 19,141.31

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Solution

The fourth proportional to 45,799.93, 68,711.51 and 19,141.31 is: 28,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,799.93 : 68,711.51 = 19,141.31 : x
  2. Step 2: Convert to fraction form
    45,799.93/68,711.51 = 19,141.31/x
  3. Step 3: Cross multiply
    45,799.93x = 68,711.51 × 19,141.31
  4. Step 4: Simplify right side
    45,799.93x = 1,315,228,313.48
  5. Step 5: Solve for x
    x = 1,315,228,313.48/45,799.93
  6. Step 6: Final answer
    x = 28,716.82

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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.