Home / 82,148.42-113,365.22-45,853.32

Finding the Fourth Proportional to 82,148.42, 113,365.22 and 45,853.32

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Solution

The fourth proportional to 82,148.42, 113,365.22 and 45,853.32 is: 63,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,148.42 : 113,365.22 = 45,853.32 : x
  2. Step 2: Convert to fraction form
    82,148.42/113,365.22 = 45,853.32/x
  3. Step 3: Cross multiply
    82,148.42x = 113,365.22 × 45,853.32
  4. Step 4: Simplify right side
    82,148.42x = 5,198,171,480.26
  5. Step 5: Solve for x
    x = 5,198,171,480.26/82,148.42
  6. Step 6: Final answer
    x = 63,277.81

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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.