Home / 57,033.42-78,706.62-31,541.48

Finding the Fourth Proportional to 57,033.42, 78,706.62 and 31,541.48

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Solution

The fourth proportional to 57,033.42, 78,706.62 and 31,541.48 is: 43,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.42 : 78,706.62 = 31,541.48 : x
  2. Step 2: Convert to fraction form
    57,033.42/78,706.62 = 31,541.48/x
  3. Step 3: Cross multiply
    57,033.42x = 78,706.62 × 31,541.48
  4. Step 4: Simplify right side
    57,033.42x = 2,482,523,280.60
  5. Step 5: Solve for x
    x = 2,482,523,280.60/57,033.42
  6. Step 6: Final answer
    x = 43,527.52

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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.