Home / 51,991.06-71,748.36-29,329.98

Finding the Fourth Proportional to 51,991.06, 71,748.36 and 29,329.98

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Solution

The fourth proportional to 51,991.06, 71,748.36 and 29,329.98 is: 40,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991.06 : 71,748.36 = 29,329.98 : x
  2. Step 2: Convert to fraction form
    51,991.06/71,748.36 = 29,329.98/x
  3. Step 3: Cross multiply
    51,991.06x = 71,748.36 × 29,329.98
  4. Step 4: Simplify right side
    51,991.06x = 2,104,377,963.83
  5. Step 5: Solve for x
    x = 2,104,377,963.83/51,991.06
  6. Step 6: Final answer
    x = 40,475.77

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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.