Home / 54,406.16-81,448.86-53,064.80

Finding the Fourth Proportional to 54,406.16, 81,448.86 and 53,064.80

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Solution

The fourth proportional to 54,406.16, 81,448.86 and 53,064.80 is: 79,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,406.16 : 81,448.86 = 53,064.80 : x
  2. Step 2: Convert to fraction form
    54,406.16/81,448.86 = 53,064.80/x
  3. Step 3: Cross multiply
    54,406.16x = 81,448.86 × 53,064.80
  4. Step 4: Simplify right side
    54,406.16x = 4,322,067,466.13
  5. Step 5: Solve for x
    x = 4,322,067,466.13/54,406.16
  6. Step 6: Final answer
    x = 79,440.77

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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.