Home / 57,851.16-86,773.06-18,436.56

Finding the Fourth Proportional to 57,851.16, 86,773.06 and 18,436.56

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Solution

The fourth proportional to 57,851.16, 86,773.06 and 18,436.56 is: 27,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,851.16 : 86,773.06 = 18,436.56 : x
  2. Step 2: Convert to fraction form
    57,851.16/86,773.06 = 18,436.56/x
  3. Step 3: Cross multiply
    57,851.16x = 86,773.06 × 18,436.56
  4. Step 4: Simplify right side
    57,851.16x = 1,599,796,727.07
  5. Step 5: Solve for x
    x = 1,599,796,727.07/57,851.16
  6. Step 6: Final answer
    x = 27,653.67

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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.