Home / 56,722.08-85,083.12-15,168

Finding the Fourth Proportional to 56,722.08, 85,083.12 and 15,168

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Solution

The fourth proportional to 56,722.08, 85,083.12 and 15,168 is: 22,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,722.08 : 85,083.12 = 15,168 : x
  2. Step 2: Convert to fraction form
    56,722.08/85,083.12 = 15,168/x
  3. Step 3: Cross multiply
    56,722.08x = 85,083.12 × 15,168
  4. Step 4: Simplify right side
    56,722.08x = 1,290,540,764.16
  5. Step 5: Solve for x
    x = 1,290,540,764.16/56,722.08
  6. Step 6: Final answer
    x = 22,752.00

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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.