Home / 85,563.54-128,351.79-23,233.14

Finding the Fourth Proportional to 85,563.54, 128,351.79 and 23,233.14

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Solution

The fourth proportional to 85,563.54, 128,351.79 and 23,233.14 is: 34,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,563.54 : 128,351.79 = 23,233.14 : x
  2. Step 2: Convert to fraction form
    85,563.54/128,351.79 = 23,233.14/x
  3. Step 3: Cross multiply
    85,563.54x = 128,351.79 × 23,233.14
  4. Step 4: Simplify right side
    85,563.54x = 2,982,015,106.32
  5. Step 5: Solve for x
    x = 2,982,015,106.32/85,563.54
  6. Step 6: Final answer
    x = 34,851.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.