Home / 49,928.86-68,900.08-29,775.31

Finding the Fourth Proportional to 49,928.86, 68,900.08 and 29,775.31

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Solution

The fourth proportional to 49,928.86, 68,900.08 and 29,775.31 is: 41,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928.86 : 68,900.08 = 29,775.31 : x
  2. Step 2: Convert to fraction form
    49,928.86/68,900.08 = 29,775.31/x
  3. Step 3: Cross multiply
    49,928.86x = 68,900.08 × 29,775.31
  4. Step 4: Simplify right side
    49,928.86x = 2,051,521,092.15
  5. Step 5: Solve for x
    x = 2,051,521,092.15/49,928.86
  6. Step 6: Final answer
    x = 41,088.89

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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.