Home / 57,033.07-78,702.49-31,537.96

Finding the Fourth Proportional to 57,033.07, 78,702.49 and 31,537.96

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Solution

The fourth proportional to 57,033.07, 78,702.49 and 31,537.96 is: 43,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.07 : 78,702.49 = 31,537.96 : x
  2. Step 2: Convert to fraction form
    57,033.07/78,702.49 = 31,537.96/x
  3. Step 3: Cross multiply
    57,033.07x = 78,702.49 × 31,537.96
  4. Step 4: Simplify right side
    57,033.07x = 2,482,115,824.19
  5. Step 5: Solve for x
    x = 2,482,115,824.19/57,033.07
  6. Step 6: Final answer
    x = 43,520.64

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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.