Home / 69,647.19-96,115.44-39,021.62

Finding the Fourth Proportional to 69,647.19, 96,115.44 and 39,021.62

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Solution

The fourth proportional to 69,647.19, 96,115.44 and 39,021.62 is: 53,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,647.19 : 96,115.44 = 39,021.62 : x
  2. Step 2: Convert to fraction form
    69,647.19/96,115.44 = 39,021.62/x
  3. Step 3: Cross multiply
    69,647.19x = 96,115.44 × 39,021.62
  4. Step 4: Simplify right side
    69,647.19x = 3,750,579,695.24
  5. Step 5: Solve for x
    x = 3,750,579,695.24/69,647.19
  6. Step 6: Final answer
    x = 53,851.13

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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.