Home / 69,853.25-96,394.61-39,637.94

Finding the Fourth Proportional to 69,853.25, 96,394.61 and 39,637.94

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Solution

The fourth proportional to 69,853.25, 96,394.61 and 39,637.94 is: 54,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,853.25 : 96,394.61 = 39,637.94 : x
  2. Step 2: Convert to fraction form
    69,853.25/96,394.61 = 39,637.94/x
  3. Step 3: Cross multiply
    69,853.25x = 96,394.61 × 39,637.94
  4. Step 4: Simplify right side
    69,853.25x = 3,820,883,087.34
  5. Step 5: Solve for x
    x = 3,820,883,087.34/69,853.25
  6. Step 6: Final answer
    x = 54,698.72

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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.