Home / 82,399.05-113,668.96-52,133.40

Finding the Fourth Proportional to 82,399.05, 113,668.96 and 52,133.40

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Solution

The fourth proportional to 82,399.05, 113,668.96 and 52,133.40 is: 71,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,399.05 : 113,668.96 = 52,133.40 : x
  2. Step 2: Convert to fraction form
    82,399.05/113,668.96 = 52,133.40/x
  3. Step 3: Cross multiply
    82,399.05x = 113,668.96 × 52,133.40
  4. Step 4: Simplify right side
    82,399.05x = 5,925,949,643.44
  5. Step 5: Solve for x
    x = 5,925,949,643.44/82,399.05
  6. Step 6: Final answer
    x = 71,917.69

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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.