Home / 69,638.50-96,102.26-39,423.04

Finding the Fourth Proportional to 69,638.50, 96,102.26 and 39,423.04

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Solution

The fourth proportional to 69,638.50, 96,102.26 and 39,423.04 is: 54,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,638.50 : 96,102.26 = 39,423.04 : x
  2. Step 2: Convert to fraction form
    69,638.50/96,102.26 = 39,423.04/x
  3. Step 3: Cross multiply
    69,638.50x = 96,102.26 × 39,423.04
  4. Step 4: Simplify right side
    69,638.50x = 3,788,643,240.07
  5. Step 5: Solve for x
    x = 3,788,643,240.07/69,638.50
  6. Step 6: Final answer
    x = 54,404.43

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1.5x scale

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.