Home / 116,977.08-161,429.34-66,679.32

Finding the Fourth Proportional to 116,977.08, 161,429.34 and 66,679.32

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Solution

The fourth proportional to 116,977.08, 161,429.34 and 66,679.32 is: 92,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,977.08 : 161,429.34 = 66,679.32 : x
  2. Step 2: Convert to fraction form
    116,977.08/161,429.34 = 66,679.32/x
  3. Step 3: Cross multiply
    116,977.08x = 161,429.34 × 66,679.32
  4. Step 4: Simplify right side
    116,977.08x = 10,763,998,619.25
  5. Step 5: Solve for x
    x = 10,763,998,619.25/116,977.08
  6. Step 6: Final answer
    x = 92,018.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.