Home / 57,440.14-79,203.22-39,293.81

Finding the Fourth Proportional to 57,440.14, 79,203.22 and 39,293.81

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Solution

The fourth proportional to 57,440.14, 79,203.22 and 39,293.81 is: 54,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,440.14 : 79,203.22 = 39,293.81 : x
  2. Step 2: Convert to fraction form
    57,440.14/79,203.22 = 39,293.81/x
  3. Step 3: Cross multiply
    57,440.14x = 79,203.22 × 39,293.81
  4. Step 4: Simplify right side
    57,440.14x = 3,112,196,080.83
  5. Step 5: Solve for x
    x = 3,112,196,080.83/57,440.14
  6. Step 6: Final answer
    x = 54,181.56

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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.