Home / 49,947.34-68,929.43-28,726.63

Finding the Fourth Proportional to 49,947.34, 68,929.43 and 28,726.63

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Solution

The fourth proportional to 49,947.34, 68,929.43 and 28,726.63 is: 39,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,947.34 : 68,929.43 = 28,726.63 : x
  2. Step 2: Convert to fraction form
    49,947.34/68,929.43 = 28,726.63/x
  3. Step 3: Cross multiply
    49,947.34x = 68,929.43 × 28,726.63
  4. Step 4: Simplify right side
    49,947.34x = 1,980,110,231.72
  5. Step 5: Solve for x
    x = 1,980,110,231.72/49,947.34
  6. Step 6: Final answer
    x = 39,643.96

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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.