Home / 67,822.68-93,573.99-39,138.57

Finding the Fourth Proportional to 67,822.68, 93,573.99 and 39,138.57

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Solution

The fourth proportional to 67,822.68, 93,573.99 and 39,138.57 is: 53,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,822.68 : 93,573.99 = 39,138.57 : x
  2. Step 2: Convert to fraction form
    67,822.68/93,573.99 = 39,138.57/x
  3. Step 3: Cross multiply
    67,822.68x = 93,573.99 × 39,138.57
  4. Step 4: Simplify right side
    67,822.68x = 3,662,352,157.79
  5. Step 5: Solve for x
    x = 3,662,352,157.79/67,822.68
  6. Step 6: Final answer
    x = 53,998.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.