Home / 82,535.43-113,782.53-58,653.39

Finding the Fourth Proportional to 82,535.43, 113,782.53 and 58,653.39

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Solution

The fourth proportional to 82,535.43, 113,782.53 and 58,653.39 is: 80,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,535.43 : 113,782.53 = 58,653.39 : x
  2. Step 2: Convert to fraction form
    82,535.43/113,782.53 = 58,653.39/x
  3. Step 3: Cross multiply
    82,535.43x = 113,782.53 × 58,653.39
  4. Step 4: Simplify right side
    82,535.43x = 6,673,731,107.28
  5. Step 5: Solve for x
    x = 6,673,731,107.28/82,535.43
  6. Step 6: Final answer
    x = 80,858.99

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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.