Home / 54,415.10-81,535.16-45,667.10

Finding the Fourth Proportional to 54,415.10, 81,535.16 and 45,667.10

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Solution

The fourth proportional to 54,415.10, 81,535.16 and 45,667.10 is: 68,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,415.10 : 81,535.16 = 45,667.10 : x
  2. Step 2: Convert to fraction form
    54,415.10/81,535.16 = 45,667.10/x
  3. Step 3: Cross multiply
    54,415.10x = 81,535.16 × 45,667.10
  4. Step 4: Simplify right side
    54,415.10x = 3,723,473,669.22
  5. Step 5: Solve for x
    x = 3,723,473,669.22/54,415.10
  6. Step 6: Final answer
    x = 68,427.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.