Home / 67,940.24-101,916.84-26,390.48

Finding the Fourth Proportional to 67,940.24, 101,916.84 and 26,390.48

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Solution

The fourth proportional to 67,940.24, 101,916.84 and 26,390.48 is: 39,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940.24 : 101,916.84 = 26,390.48 : x
  2. Step 2: Convert to fraction form
    67,940.24/101,916.84 = 26,390.48/x
  3. Step 3: Cross multiply
    67,940.24x = 101,916.84 × 26,390.48
  4. Step 4: Simplify right side
    67,940.24x = 2,689,634,327.68
  5. Step 5: Solve for x
    x = 2,689,634,327.68/67,940.24
  6. Step 6: Final answer
    x = 39,588.24

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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.