Home / 69,865.09-96,427.11-39,653.24

Finding the Fourth Proportional to 69,865.09, 96,427.11 and 39,653.24

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Solution

The fourth proportional to 69,865.09, 96,427.11 and 39,653.24 is: 54,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,865.09 : 96,427.11 = 39,653.24 : x
  2. Step 2: Convert to fraction form
    69,865.09/96,427.11 = 39,653.24/x
  3. Step 3: Cross multiply
    69,865.09x = 96,427.11 × 39,653.24
  4. Step 4: Simplify right side
    69,865.09x = 3,823,647,335.34
  5. Step 5: Solve for x
    x = 3,823,647,335.34/69,865.09
  6. Step 6: Final answer
    x = 54,729.01

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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.