Home / 56,827.82-78,403.34-36,698.31

Finding the Fourth Proportional to 56,827.82, 78,403.34 and 36,698.31

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Solution

The fourth proportional to 56,827.82, 78,403.34 and 36,698.31 is: 50,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,827.82 : 78,403.34 = 36,698.31 : x
  2. Step 2: Convert to fraction form
    56,827.82/78,403.34 = 36,698.31/x
  3. Step 3: Cross multiply
    56,827.82x = 78,403.34 × 36,698.31
  4. Step 4: Simplify right side
    56,827.82x = 2,877,270,076.36
  5. Step 5: Solve for x
    x = 2,877,270,076.36/56,827.82
  6. Step 6: Final answer
    x = 50,631.36

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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.