Home / 67,939.24-101,915.34-26,389.48

Finding the Fourth Proportional to 67,939.24, 101,915.34 and 26,389.48

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Solution

The fourth proportional to 67,939.24, 101,915.34 and 26,389.48 is: 39,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.24 : 101,915.34 = 26,389.48 : x
  2. Step 2: Convert to fraction form
    67,939.24/101,915.34 = 26,389.48/x
  3. Step 3: Cross multiply
    67,939.24x = 101,915.34 × 26,389.48
  4. Step 4: Simplify right side
    67,939.24x = 2,689,492,826.62
  5. Step 5: Solve for x
    x = 2,689,492,826.62/67,939.24
  6. Step 6: Final answer
    x = 39,586.74

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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.