Home / 76,945.66-106,186.80-48,266.53

Finding the Fourth Proportional to 76,945.66, 106,186.80 and 48,266.53

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Solution

The fourth proportional to 76,945.66, 106,186.80 and 48,266.53 is: 66,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.66 : 106,186.80 = 48,266.53 : x
  2. Step 2: Convert to fraction form
    76,945.66/106,186.80 = 48,266.53/x
  3. Step 3: Cross multiply
    76,945.66x = 106,186.80 × 48,266.53
  4. Step 4: Simplify right side
    76,945.66x = 5,125,268,367.80
  5. Step 5: Solve for x
    x = 5,125,268,367.80/76,945.66
  6. Step 6: Final answer
    x = 66,608.93

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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.