Home / 53,769.54-80,418.51-47,887.92

Finding the Fourth Proportional to 53,769.54, 80,418.51 and 47,887.92

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Solution

The fourth proportional to 53,769.54, 80,418.51 and 47,887.92 is: 71,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.54 : 80,418.51 = 47,887.92 : x
  2. Step 2: Convert to fraction form
    53,769.54/80,418.51 = 47,887.92/x
  3. Step 3: Cross multiply
    53,769.54x = 80,418.51 × 47,887.92
  4. Step 4: Simplify right side
    53,769.54x = 3,851,075,173.40
  5. Step 5: Solve for x
    x = 3,851,075,173.40/53,769.54
  6. Step 6: Final answer
    x = 71,621.87

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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.