Home / 57,033.14-78,706.26-31,538.18

Finding the Fourth Proportional to 57,033.14, 78,706.26 and 31,538.18

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Solution

The fourth proportional to 57,033.14, 78,706.26 and 31,538.18 is: 43,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.14 : 78,706.26 = 31,538.18 : x
  2. Step 2: Convert to fraction form
    57,033.14/78,706.26 = 31,538.18/x
  3. Step 3: Cross multiply
    57,033.14x = 78,706.26 × 31,538.18
  4. Step 4: Simplify right side
    57,033.14x = 2,482,252,391.77
  5. Step 5: Solve for x
    x = 2,482,252,391.77/57,033.14
  6. Step 6: Final answer
    x = 43,522.99

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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.