Home / 116,572.20-174,455.10-69,858.60

Finding the Fourth Proportional to 116,572.20, 174,455.10 and 69,858.60

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Solution

The fourth proportional to 116,572.20, 174,455.10 and 69,858.60 is: 104,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,572.20 : 174,455.10 = 69,858.60 : x
  2. Step 2: Convert to fraction form
    116,572.20/174,455.10 = 69,858.60/x
  3. Step 3: Cross multiply
    116,572.20x = 174,455.10 × 69,858.60
  4. Step 4: Simplify right side
    116,572.20x = 12,187,189,048.86
  5. Step 5: Solve for x
    x = 12,187,189,048.86/116,572.20
  6. Step 6: Final answer
    x = 104,546.27

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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.