Home / 69,968.08-96,555.81-38,136.88

Finding the Fourth Proportional to 69,968.08, 96,555.81 and 38,136.88

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Solution

The fourth proportional to 69,968.08, 96,555.81 and 38,136.88 is: 52,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.08 : 96,555.81 = 38,136.88 : x
  2. Step 2: Convert to fraction form
    69,968.08/96,555.81 = 38,136.88/x
  3. Step 3: Cross multiply
    69,968.08x = 96,555.81 × 38,136.88
  4. Step 4: Simplify right side
    69,968.08x = 3,682,337,339.27
  5. Step 5: Solve for x
    x = 3,682,337,339.27/69,968.08
  6. Step 6: Final answer
    x = 52,628.82

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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.