Home / 57,706.78-79,639.37-32,218.16

Finding the Fourth Proportional to 57,706.78, 79,639.37 and 32,218.16

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Solution

The fourth proportional to 57,706.78, 79,639.37 and 32,218.16 is: 44,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.78 : 79,639.37 = 32,218.16 : x
  2. Step 2: Convert to fraction form
    57,706.78/79,639.37 = 32,218.16/x
  3. Step 3: Cross multiply
    57,706.78x = 79,639.37 × 32,218.16
  4. Step 4: Simplify right side
    57,706.78x = 2,565,833,964.96
  5. Step 5: Solve for x
    x = 2,565,833,964.96/57,706.78
  6. Step 6: Final answer
    x = 44,463.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.