Home / 57,150.32-78,794.34-39,214.18

Finding the Fourth Proportional to 57,150.32, 78,794.34 and 39,214.18

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Solution

The fourth proportional to 57,150.32, 78,794.34 and 39,214.18 is: 54,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,150.32 : 78,794.34 = 39,214.18 : x
  2. Step 2: Convert to fraction form
    57,150.32/78,794.34 = 39,214.18/x
  3. Step 3: Cross multiply
    57,150.32x = 78,794.34 × 39,214.18
  4. Step 4: Simplify right side
    57,150.32x = 3,089,855,383.18
  5. Step 5: Solve for x
    x = 3,089,855,383.18/57,150.32
  6. Step 6: Final answer
    x = 54,065.41

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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.