Home / 124,724.21-186,969.67-45,817.25

Finding the Fourth Proportional to 124,724.21, 186,969.67 and 45,817.25

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Solution

The fourth proportional to 124,724.21, 186,969.67 and 45,817.25 is: 68,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,724.21 : 186,969.67 = 45,817.25 : x
  2. Step 2: Convert to fraction form
    124,724.21/186,969.67 = 45,817.25/x
  3. Step 3: Cross multiply
    124,724.21x = 186,969.67 × 45,817.25
  4. Step 4: Simplify right side
    124,724.21x = 8,566,435,063.42
  5. Step 5: Solve for x
    x = 8,566,435,063.42/124,724.21
  6. Step 6: Final answer
    x = 68,683.02

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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.