Home / 116,956.47-161,390.16-69,201.51

Finding the Fourth Proportional to 116,956.47, 161,390.16 and 69,201.51

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Solution

The fourth proportional to 116,956.47, 161,390.16 and 69,201.51 is: 95,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,956.47 : 161,390.16 = 69,201.51 : x
  2. Step 2: Convert to fraction form
    116,956.47/161,390.16 = 69,201.51/x
  3. Step 3: Cross multiply
    116,956.47x = 161,390.16 × 69,201.51
  4. Step 4: Simplify right side
    116,956.47x = 11,168,442,771.14
  5. Step 5: Solve for x
    x = 11,168,442,771.14/116,956.47
  6. Step 6: Final answer
    x = 95,492.30

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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.