Home / 82,456.24-113,789.80-44,730.64

Finding the Fourth Proportional to 82,456.24, 113,789.80 and 44,730.64

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Solution

The fourth proportional to 82,456.24, 113,789.80 and 44,730.64 is: 61,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,456.24 : 113,789.80 = 44,730.64 : x
  2. Step 2: Convert to fraction form
    82,456.24/113,789.80 = 44,730.64/x
  3. Step 3: Cross multiply
    82,456.24x = 113,789.80 × 44,730.64
  4. Step 4: Simplify right side
    82,456.24x = 5,089,890,579.47
  5. Step 5: Solve for x
    x = 5,089,890,579.47/82,456.24
  6. Step 6: Final answer
    x = 61,728.39

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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.