Home / 69,784.56-96,280.97-39,567.51

Finding the Fourth Proportional to 69,784.56, 96,280.97 and 39,567.51

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Solution

The fourth proportional to 69,784.56, 96,280.97 and 39,567.51 is: 54,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,784.56 : 96,280.97 = 39,567.51 : x
  2. Step 2: Convert to fraction form
    69,784.56/96,280.97 = 39,567.51/x
  3. Step 3: Cross multiply
    69,784.56x = 96,280.97 × 39,567.51
  4. Step 4: Simplify right side
    69,784.56x = 3,809,598,243.28
  5. Step 5: Solve for x
    x = 3,809,598,243.28/69,784.56
  6. Step 6: Final answer
    x = 54,590.85

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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.