Home / 69,986.06-96,581.82-39,772.06

Finding the Fourth Proportional to 69,986.06, 96,581.82 and 39,772.06

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Solution

The fourth proportional to 69,986.06, 96,581.82 and 39,772.06 is: 54,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.06 : 96,581.82 = 39,772.06 : x
  2. Step 2: Convert to fraction form
    69,986.06/96,581.82 = 39,772.06/x
  3. Step 3: Cross multiply
    69,986.06x = 96,581.82 × 39,772.06
  4. Step 4: Simplify right side
    69,986.06x = 3,841,257,939.95
  5. Step 5: Solve for x
    x = 3,841,257,939.95/69,986.06
  6. Step 6: Final answer
    x = 54,886.04

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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.