Home / 53,112.75-79,671.31-15,672.82

Finding the Fourth Proportional to 53,112.75, 79,671.31 and 15,672.82

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Solution

The fourth proportional to 53,112.75, 79,671.31 and 15,672.82 is: 23,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.75 : 79,671.31 = 15,672.82 : x
  2. Step 2: Convert to fraction form
    53,112.75/79,671.31 = 15,672.82/x
  3. Step 3: Cross multiply
    53,112.75x = 79,671.31 × 15,672.82
  4. Step 4: Simplify right side
    53,112.75x = 1,248,673,702.44
  5. Step 5: Solve for x
    x = 1,248,673,702.44/53,112.75
  6. Step 6: Final answer
    x = 23,509.87

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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.