Home / 70,893.27-105,948.23-66,796.29

Finding the Fourth Proportional to 70,893.27, 105,948.23 and 66,796.29

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Solution

The fourth proportional to 70,893.27, 105,948.23 and 66,796.29 is: 99,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893.27 : 105,948.23 = 66,796.29 : x
  2. Step 2: Convert to fraction form
    70,893.27/105,948.23 = 66,796.29/x
  3. Step 3: Cross multiply
    70,893.27x = 105,948.23 × 66,796.29
  4. Step 4: Simplify right side
    70,893.27x = 7,076,948,362.09
  5. Step 5: Solve for x
    x = 7,076,948,362.09/70,893.27
  6. Step 6: Final answer
    x = 99,825.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.