Home / 54,435.57-75,119.16-30,563.25

Finding the Fourth Proportional to 54,435.57, 75,119.16 and 30,563.25

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Solution

The fourth proportional to 54,435.57, 75,119.16 and 30,563.25 is: 42,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.57 : 75,119.16 = 30,563.25 : x
  2. Step 2: Convert to fraction form
    54,435.57/75,119.16 = 30,563.25/x
  3. Step 3: Cross multiply
    54,435.57x = 75,119.16 × 30,563.25
  4. Step 4: Simplify right side
    54,435.57x = 2,295,885,666.87
  5. Step 5: Solve for x
    x = 2,295,885,666.87/54,435.57
  6. Step 6: Final answer
    x = 42,176.20

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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.