Home / 55,349.75-83,081.12-40,514.60

Finding the Fourth Proportional to 55,349.75, 83,081.12 and 40,514.60

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Solution

The fourth proportional to 55,349.75, 83,081.12 and 40,514.60 is: 60,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,349.75 : 83,081.12 = 40,514.60 : x
  2. Step 2: Convert to fraction form
    55,349.75/83,081.12 = 40,514.60/x
  3. Step 3: Cross multiply
    55,349.75x = 83,081.12 × 40,514.60
  4. Step 4: Simplify right side
    55,349.75x = 3,365,997,726.37
  5. Step 5: Solve for x
    x = 3,365,997,726.37/55,349.75
  6. Step 6: Final answer
    x = 60,813.25

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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.