Home / 54,814.24-82,088.88-31,369.60

Finding the Fourth Proportional to 54,814.24, 82,088.88 and 31,369.60

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Solution

The fourth proportional to 54,814.24, 82,088.88 and 31,369.60 is: 46,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,814.24 : 82,088.88 = 31,369.60 : x
  2. Step 2: Convert to fraction form
    54,814.24/82,088.88 = 31,369.60/x
  3. Step 3: Cross multiply
    54,814.24x = 82,088.88 × 31,369.60
  4. Step 4: Simplify right side
    54,814.24x = 2,575,095,330.05
  5. Step 5: Solve for x
    x = 2,575,095,330.05/54,814.24
  6. Step 6: Final answer
    x = 46,978.58

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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.