Home / 54,867.88-75,722.34-45,899.56

Finding the Fourth Proportional to 54,867.88, 75,722.34 and 45,899.56

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Solution

The fourth proportional to 54,867.88, 75,722.34 and 45,899.56 is: 63,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.88 : 75,722.34 = 45,899.56 : x
  2. Step 2: Convert to fraction form
    54,867.88/75,722.34 = 45,899.56/x
  3. Step 3: Cross multiply
    54,867.88x = 75,722.34 × 45,899.56
  4. Step 4: Simplify right side
    54,867.88x = 3,475,622,088.17
  5. Step 5: Solve for x
    x = 3,475,622,088.17/54,867.88
  6. Step 6: Final answer
    x = 63,345.30

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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.