Home / 51,976.41-77,963.93-12,533.21

Finding the Fourth Proportional to 51,976.41, 77,963.93 and 12,533.21

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Solution

The fourth proportional to 51,976.41, 77,963.93 and 12,533.21 is: 18,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.41 : 77,963.93 = 12,533.21 : x
  2. Step 2: Convert to fraction form
    51,976.41/77,963.93 = 12,533.21/x
  3. Step 3: Cross multiply
    51,976.41x = 77,963.93 × 12,533.21
  4. Step 4: Simplify right side
    51,976.41x = 977,137,854.63
  5. Step 5: Solve for x
    x = 977,137,854.63/51,976.41
  6. Step 6: Final answer
    x = 18,799.64

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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.