Home / 50,085.76-69,119.36-27,730.56

Finding the Fourth Proportional to 50,085.76, 69,119.36 and 27,730.56

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Solution

The fourth proportional to 50,085.76, 69,119.36 and 27,730.56 is: 38,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,085.76 : 69,119.36 = 27,730.56 : x
  2. Step 2: Convert to fraction form
    50,085.76/69,119.36 = 27,730.56/x
  3. Step 3: Cross multiply
    50,085.76x = 69,119.36 × 27,730.56
  4. Step 4: Simplify right side
    50,085.76x = 1,916,718,559.64
  5. Step 5: Solve for x
    x = 1,916,718,559.64/50,085.76
  6. Step 6: Final answer
    x = 38,268.73

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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.