Home / 216,540.42-324,828.75-56,616.05

Finding the Fourth Proportional to 216,540.42, 324,828.75 and 56,616.05

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Solution

The fourth proportional to 216,540.42, 324,828.75 and 56,616.05 is: 84,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,540.42 : 324,828.75 = 56,616.05 : x
  2. Step 2: Convert to fraction form
    216,540.42/324,828.75 = 56,616.05/x
  3. Step 3: Cross multiply
    216,540.42x = 324,828.75 × 56,616.05
  4. Step 4: Simplify right side
    216,540.42x = 18,390,519,127.29
  5. Step 5: Solve for x
    x = 18,390,519,127.29/216,540.42
  6. Step 6: Final answer
    x = 84,928.81

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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.