Home / 82,451.52-113,782.86-44,725.68

Finding the Fourth Proportional to 82,451.52, 113,782.86 and 44,725.68

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Solution

The fourth proportional to 82,451.52, 113,782.86 and 44,725.68 is: 61,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,451.52 : 113,782.86 = 44,725.68 : x
  2. Step 2: Convert to fraction form
    82,451.52/113,782.86 = 44,725.68/x
  3. Step 3: Cross multiply
    82,451.52x = 113,782.86 × 44,725.68
  4. Step 4: Simplify right side
    82,451.52x = 5,089,015,785.84
  5. Step 5: Solve for x
    x = 5,089,015,785.84/82,451.52
  6. Step 6: Final answer
    x = 61,721.31

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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.