Home / 57,763.16-86,647.90-18,317.42

Finding the Fourth Proportional to 57,763.16, 86,647.90 and 18,317.42

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Solution

The fourth proportional to 57,763.16, 86,647.90 and 18,317.42 is: 27,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.16 : 86,647.90 = 18,317.42 : x
  2. Step 2: Convert to fraction form
    57,763.16/86,647.90 = 18,317.42/x
  3. Step 3: Cross multiply
    57,763.16x = 86,647.90 × 18,317.42
  4. Step 4: Simplify right side
    57,763.16x = 1,587,165,976.42
  5. Step 5: Solve for x
    x = 1,587,165,976.42/57,763.16
  6. Step 6: Final answer
    x = 27,477.13

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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.