Home / 54,145.32-81,125.04-48,667.08

Finding the Fourth Proportional to 54,145.32, 81,125.04 and 48,667.08

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Solution

The fourth proportional to 54,145.32, 81,125.04 and 48,667.08 is: 72,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.32 : 81,125.04 = 48,667.08 : x
  2. Step 2: Convert to fraction form
    54,145.32/81,125.04 = 48,667.08/x
  3. Step 3: Cross multiply
    54,145.32x = 81,125.04 × 48,667.08
  4. Step 4: Simplify right side
    54,145.32x = 3,948,118,811.68
  5. Step 5: Solve for x
    x = 3,948,118,811.68/54,145.32
  6. Step 6: Final answer
    x = 72,917.08

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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.