Home / 53,420.18-80,056.42-45,481.37

Finding the Fourth Proportional to 53,420.18, 80,056.42 and 45,481.37

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Solution

The fourth proportional to 53,420.18, 80,056.42 and 45,481.37 is: 68,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420.18 : 80,056.42 = 45,481.37 : x
  2. Step 2: Convert to fraction form
    53,420.18/80,056.42 = 45,481.37/x
  3. Step 3: Cross multiply
    53,420.18x = 80,056.42 × 45,481.37
  4. Step 4: Simplify right side
    53,420.18x = 3,641,075,144.91
  5. Step 5: Solve for x
    x = 3,641,075,144.91/53,420.18
  6. Step 6: Final answer
    x = 68,159.18

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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.