Home / 75,725.33-104,527.19-51,930.77

Finding the Fourth Proportional to 75,725.33, 104,527.19 and 51,930.77

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Solution

The fourth proportional to 75,725.33, 104,527.19 and 51,930.77 is: 71,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725.33 : 104,527.19 = 51,930.77 : x
  2. Step 2: Convert to fraction form
    75,725.33/104,527.19 = 51,930.77/x
  3. Step 3: Cross multiply
    75,725.33x = 104,527.19 × 51,930.77
  4. Step 4: Simplify right side
    75,725.33x = 5,428,177,069.83
  5. Step 5: Solve for x
    x = 5,428,177,069.83/75,725.33
  6. Step 6: Final answer
    x = 71,682.45

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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.