Home / 116,485.15-174,599.87-66,456.14

Finding the Fourth Proportional to 116,485.15, 174,599.87 and 66,456.14

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Solution

The fourth proportional to 116,485.15, 174,599.87 and 66,456.14 is: 99,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,485.15 : 174,599.87 = 66,456.14 : x
  2. Step 2: Convert to fraction form
    116,485.15/174,599.87 = 66,456.14/x
  3. Step 3: Cross multiply
    116,485.15x = 174,599.87 × 66,456.14
  4. Step 4: Simplify right side
    116,485.15x = 11,603,233,072.42
  5. Step 5: Solve for x
    x = 11,603,233,072.42/116,485.15
  6. Step 6: Final answer
    x = 99,611.27

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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.