Home / 54,575.55-75,290.99-31,279.68

Finding the Fourth Proportional to 54,575.55, 75,290.99 and 31,279.68

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Solution

The fourth proportional to 54,575.55, 75,290.99 and 31,279.68 is: 43,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.55 : 75,290.99 = 31,279.68 : x
  2. Step 2: Convert to fraction form
    54,575.55/75,290.99 = 31,279.68/x
  3. Step 3: Cross multiply
    54,575.55x = 75,290.99 × 31,279.68
  4. Step 4: Simplify right side
    54,575.55x = 2,355,077,917.68
  5. Step 5: Solve for x
    x = 2,355,077,917.68/54,575.55
  6. Step 6: Final answer
    x = 43,152.62

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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.