Home / 57,618.02-86,427.01-13,842.02

Finding the Fourth Proportional to 57,618.02, 86,427.01 and 13,842.02

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Solution

The fourth proportional to 57,618.02, 86,427.01 and 13,842.02 is: 20,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.02 : 86,427.01 = 13,842.02 : x
  2. Step 2: Convert to fraction form
    57,618.02/86,427.01 = 13,842.02/x
  3. Step 3: Cross multiply
    57,618.02x = 86,427.01 × 13,842.02
  4. Step 4: Simplify right side
    57,618.02x = 1,196,324,400.96
  5. Step 5: Solve for x
    x = 1,196,324,400.96/57,618.02
  6. Step 6: Final answer
    x = 20,763.03

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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.