Home / 91,599.44-137,196.14-70,383.31

Finding the Fourth Proportional to 91,599.44, 137,196.14 and 70,383.31

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Solution

The fourth proportional to 91,599.44, 137,196.14 and 70,383.31 is: 105,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,599.44 : 137,196.14 = 70,383.31 : x
  2. Step 2: Convert to fraction form
    91,599.44/137,196.14 = 70,383.31/x
  3. Step 3: Cross multiply
    91,599.44x = 137,196.14 × 70,383.31
  4. Step 4: Simplify right side
    91,599.44x = 9,656,318,674.60
  5. Step 5: Solve for x
    x = 9,656,318,674.60/91,599.44
  6. Step 6: Final answer
    x = 105,418.97

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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.