Home / 54,143.24-74,718.59-30,267.34

Finding the Fourth Proportional to 54,143.24, 74,718.59 and 30,267.34

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Solution

The fourth proportional to 54,143.24, 74,718.59 and 30,267.34 is: 41,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143.24 : 74,718.59 = 30,267.34 : x
  2. Step 2: Convert to fraction form
    54,143.24/74,718.59 = 30,267.34/x
  3. Step 3: Cross multiply
    54,143.24x = 74,718.59 × 30,267.34
  4. Step 4: Simplify right side
    54,143.24x = 2,261,532,629.72
  5. Step 5: Solve for x
    x = 2,261,532,629.72/54,143.24
  6. Step 6: Final answer
    x = 41,769.44

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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.