Home / 77,659.06-107,208.30-50,842.66

Finding the Fourth Proportional to 77,659.06, 107,208.30 and 50,842.66

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Solution

The fourth proportional to 77,659.06, 107,208.30 and 50,842.66 is: 70,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,659.06 : 107,208.30 = 50,842.66 : x
  2. Step 2: Convert to fraction form
    77,659.06/107,208.30 = 50,842.66/x
  3. Step 3: Cross multiply
    77,659.06x = 107,208.30 × 50,842.66
  4. Step 4: Simplify right side
    77,659.06x = 5,450,755,146.08
  5. Step 5: Solve for x
    x = 5,450,755,146.08/77,659.06
  6. Step 6: Final answer
    x = 70,188.27

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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.