Home / 57,074.75-78,763.44-31,924.25

Finding the Fourth Proportional to 57,074.75, 78,763.44 and 31,924.25

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Solution

The fourth proportional to 57,074.75, 78,763.44 and 31,924.25 is: 44,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074.75 : 78,763.44 = 31,924.25 : x
  2. Step 2: Convert to fraction form
    57,074.75/78,763.44 = 31,924.25/x
  3. Step 3: Cross multiply
    57,074.75x = 78,763.44 × 31,924.25
  4. Step 4: Simplify right side
    57,074.75x = 2,514,463,749.42
  5. Step 5: Solve for x
    x = 2,514,463,749.42/57,074.75
  6. Step 6: Final answer
    x = 44,055.62

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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.