Home / 69,617.36-96,072.12-42,759.48

Finding the Fourth Proportional to 69,617.36, 96,072.12 and 42,759.48

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Solution

The fourth proportional to 69,617.36, 96,072.12 and 42,759.48 is: 59,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617.36 : 96,072.12 = 42,759.48 : x
  2. Step 2: Convert to fraction form
    69,617.36/96,072.12 = 42,759.48/x
  3. Step 3: Cross multiply
    69,617.36x = 96,072.12 × 42,759.48
  4. Step 4: Simplify right side
    69,617.36x = 4,107,993,893.70
  5. Step 5: Solve for x
    x = 4,107,993,893.70/69,617.36
  6. Step 6: Final answer
    x = 59,008.19

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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.