Home / 69,852.62-96,393.75-39,637.33

Finding the Fourth Proportional to 69,852.62, 96,393.75 and 39,637.33

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Solution

The fourth proportional to 69,852.62, 96,393.75 and 39,637.33 is: 54,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,852.62 : 96,393.75 = 39,637.33 : x
  2. Step 2: Convert to fraction form
    69,852.62/96,393.75 = 39,637.33/x
  3. Step 3: Cross multiply
    69,852.62x = 96,393.75 × 39,637.33
  4. Step 4: Simplify right side
    69,852.62x = 3,820,790,878.69
  5. Step 5: Solve for x
    x = 3,820,790,878.69/69,852.62
  6. Step 6: Final answer
    x = 54,697.89

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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.