Home / 54,270.89-74,903.46-34,112.21

Finding the Fourth Proportional to 54,270.89, 74,903.46 and 34,112.21

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Solution

The fourth proportional to 54,270.89, 74,903.46 and 34,112.21 is: 47,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.89 : 74,903.46 = 34,112.21 : x
  2. Step 2: Convert to fraction form
    54,270.89/74,903.46 = 34,112.21/x
  3. Step 3: Cross multiply
    54,270.89x = 74,903.46 × 34,112.21
  4. Step 4: Simplify right side
    54,270.89x = 2,555,122,782.75
  5. Step 5: Solve for x
    x = 2,555,122,782.75/54,270.89
  6. Step 6: Final answer
    x = 47,080.91

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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.