Home / 76,926.41-106,074.75-50,019.02

Finding the Fourth Proportional to 76,926.41, 106,074.75 and 50,019.02

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Solution

The fourth proportional to 76,926.41, 106,074.75 and 50,019.02 is: 68,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,926.41 : 106,074.75 = 50,019.02 : x
  2. Step 2: Convert to fraction form
    76,926.41/106,074.75 = 50,019.02/x
  3. Step 3: Cross multiply
    76,926.41x = 106,074.75 × 50,019.02
  4. Step 4: Simplify right side
    76,926.41x = 5,305,754,261.28
  5. Step 5: Solve for x
    x = 5,305,754,261.28/76,926.41
  6. Step 6: Final answer
    x = 68,971.82

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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.