Home / 54,173.16-74,757.60-30,300.84

Finding the Fourth Proportional to 54,173.16, 74,757.60 and 30,300.84

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Solution

The fourth proportional to 54,173.16, 74,757.60 and 30,300.84 is: 41,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.16 : 74,757.60 = 30,300.84 : x
  2. Step 2: Convert to fraction form
    54,173.16/74,757.60 = 30,300.84/x
  3. Step 3: Cross multiply
    54,173.16x = 74,757.60 × 30,300.84
  4. Step 4: Simplify right side
    54,173.16x = 2,265,218,076.38
  5. Step 5: Solve for x
    x = 2,265,218,076.38/54,173.16
  6. Step 6: Final answer
    x = 41,814.40

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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.