Home / 53,454.48-80,262.66-42,450.36

Finding the Fourth Proportional to 53,454.48, 80,262.66 and 42,450.36

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Solution

The fourth proportional to 53,454.48, 80,262.66 and 42,450.36 is: 63,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,454.48 : 80,262.66 = 42,450.36 : x
  2. Step 2: Convert to fraction form
    53,454.48/80,262.66 = 42,450.36/x
  3. Step 3: Cross multiply
    53,454.48x = 80,262.66 × 42,450.36
  4. Step 4: Simplify right side
    53,454.48x = 3,407,178,811.56
  5. Step 5: Solve for x
    x = 3,407,178,811.56/53,454.48
  6. Step 6: Final answer
    x = 63,739.82

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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.