Home / 109,504.73-151,107.48-61,769.81

Finding the Fourth Proportional to 109,504.73, 151,107.48 and 61,769.81

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Solution

The fourth proportional to 109,504.73, 151,107.48 and 61,769.81 is: 85,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,504.73 : 151,107.48 = 61,769.81 : x
  2. Step 2: Convert to fraction form
    109,504.73/151,107.48 = 61,769.81/x
  3. Step 3: Cross multiply
    109,504.73x = 151,107.48 × 61,769.81
  4. Step 4: Simplify right side
    109,504.73x = 9,333,880,706.95
  5. Step 5: Solve for x
    x = 9,333,880,706.95/109,504.73
  6. Step 6: Final answer
    x = 85,237.24

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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.