Home / 77,917.72-107,455.86-51,050.44

Finding the Fourth Proportional to 77,917.72, 107,455.86 and 51,050.44

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Solution

The fourth proportional to 77,917.72, 107,455.86 and 51,050.44 is: 70,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,917.72 : 107,455.86 = 51,050.44 : x
  2. Step 2: Convert to fraction form
    77,917.72/107,455.86 = 51,050.44/x
  3. Step 3: Cross multiply
    77,917.72x = 107,455.86 × 51,050.44
  4. Step 4: Simplify right side
    77,917.72x = 5,485,668,933.58
  5. Step 5: Solve for x
    x = 5,485,668,933.58/77,917.72
  6. Step 6: Final answer
    x = 70,403.36

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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.