Home / 54,125.55-74,695.64-30,252.15

Finding the Fourth Proportional to 54,125.55, 74,695.64 and 30,252.15

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Solution

The fourth proportional to 54,125.55, 74,695.64 and 30,252.15 is: 41,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,125.55 : 74,695.64 = 30,252.15 : x
  2. Step 2: Convert to fraction form
    54,125.55/74,695.64 = 30,252.15/x
  3. Step 3: Cross multiply
    54,125.55x = 74,695.64 × 30,252.15
  4. Step 4: Simplify right side
    54,125.55x = 2,259,703,554.37
  5. Step 5: Solve for x
    x = 2,259,703,554.37/54,125.55
  6. Step 6: Final answer
    x = 41,749.30

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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.