Home / 116,881.04-161,298.60-66,578.96

Finding the Fourth Proportional to 116,881.04, 161,298.60 and 66,578.96

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Solution

The fourth proportional to 116,881.04, 161,298.60 and 66,578.96 is: 91,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,881.04 : 161,298.60 = 66,578.96 : x
  2. Step 2: Convert to fraction form
    116,881.04/161,298.60 = 66,578.96/x
  3. Step 3: Cross multiply
    116,881.04x = 161,298.60 × 66,578.96
  4. Step 4: Simplify right side
    116,881.04x = 10,739,093,037.46
  5. Step 5: Solve for x
    x = 10,739,093,037.46/116,881.04
  6. Step 6: Final answer
    x = 91,880.54

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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.