Home / 54,435.76-75,119.42-30,563.44

Finding the Fourth Proportional to 54,435.76, 75,119.42 and 30,563.44

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Solution

The fourth proportional to 54,435.76, 75,119.42 and 30,563.44 is: 42,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.76 : 75,119.42 = 30,563.44 : x
  2. Step 2: Convert to fraction form
    54,435.76/75,119.42 = 30,563.44/x
  3. Step 3: Cross multiply
    54,435.76x = 75,119.42 × 30,563.44
  4. Step 4: Simplify right side
    54,435.76x = 2,295,908,025.24
  5. Step 5: Solve for x
    x = 2,295,908,025.24/54,435.76
  6. Step 6: Final answer
    x = 42,176.46

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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.