Home / 84,455.66-126,727.23-61,273.46

Finding the Fourth Proportional to 84,455.66, 126,727.23 and 61,273.46

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Solution

The fourth proportional to 84,455.66, 126,727.23 and 61,273.46 is: 91,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455.66 : 126,727.23 = 61,273.46 : x
  2. Step 2: Convert to fraction form
    84,455.66/126,727.23 = 61,273.46/x
  3. Step 3: Cross multiply
    84,455.66x = 126,727.23 × 61,273.46
  4. Step 4: Simplify right side
    84,455.66x = 7,765,015,858.32
  5. Step 5: Solve for x
    x = 7,765,015,858.32/84,455.66
  6. Step 6: Final answer
    x = 91,941.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.