Home / 53,890.86-74,369.41-31,242.99

Finding the Fourth Proportional to 53,890.86, 74,369.41 and 31,242.99

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Solution

The fourth proportional to 53,890.86, 74,369.41 and 31,242.99 is: 43,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.86 : 74,369.41 = 31,242.99 : x
  2. Step 2: Convert to fraction form
    53,890.86/74,369.41 = 31,242.99/x
  3. Step 3: Cross multiply
    53,890.86x = 74,369.41 × 31,242.99
  4. Step 4: Simplify right side
    53,890.86x = 2,323,522,732.94
  5. Step 5: Solve for x
    x = 2,323,522,732.94/53,890.86
  6. Step 6: Final answer
    x = 43,115.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.