Home / 116,928.97-161,358.04-73,931.60

Finding the Fourth Proportional to 116,928.97, 161,358.04 and 73,931.60

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Solution

The fourth proportional to 116,928.97, 161,358.04 and 73,931.60 is: 102,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,928.97 : 161,358.04 = 73,931.60 : x
  2. Step 2: Convert to fraction form
    116,928.97/161,358.04 = 73,931.60/x
  3. Step 3: Cross multiply
    116,928.97x = 161,358.04 × 73,931.60
  4. Step 4: Simplify right side
    116,928.97x = 11,929,458,070.06
  5. Step 5: Solve for x
    x = 11,929,458,070.06/116,928.97
  6. Step 6: Final answer
    x = 102,023.12

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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.