Home / 57,515.04-86,176.87-20,054.46

Finding the Fourth Proportional to 57,515.04, 86,176.87 and 20,054.46

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Solution

The fourth proportional to 57,515.04, 86,176.87 and 20,054.46 is: 30,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.04 : 86,176.87 = 20,054.46 : x
  2. Step 2: Convert to fraction form
    57,515.04/86,176.87 = 20,054.46/x
  3. Step 3: Cross multiply
    57,515.04x = 86,176.87 × 20,054.46
  4. Step 4: Simplify right side
    57,515.04x = 1,728,230,592.34
  5. Step 5: Solve for x
    x = 1,728,230,592.34/57,515.04
  6. Step 6: Final answer
    x = 30,048.32

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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.