Home / 117,029-161,504.18-66,054.14

Finding the Fourth Proportional to 117,029, 161,504.18 and 66,054.14

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Solution

The fourth proportional to 117,029, 161,504.18 and 66,054.14 is: 91,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,029 : 161,504.18 = 66,054.14 : x
  2. Step 2: Convert to fraction form
    117,029/161,504.18 = 66,054.14/x
  3. Step 3: Cross multiply
    117,029x = 161,504.18 × 66,054.14
  4. Step 4: Simplify right side
    117,029x = 10,668,019,386.03
  5. Step 5: Solve for x
    x = 10,668,019,386.03/117,029
  6. Step 6: Final answer
    x = 91,157.06

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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.