Home / 98,879.07-148,370.91-53,932.89

Finding the Fourth Proportional to 98,879.07, 148,370.91 and 53,932.89

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Solution

The fourth proportional to 98,879.07, 148,370.91 and 53,932.89 is: 80,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,879.07 : 148,370.91 = 53,932.89 : x
  2. Step 2: Convert to fraction form
    98,879.07/148,370.91 = 53,932.89/x
  3. Step 3: Cross multiply
    98,879.07x = 148,370.91 × 53,932.89
  4. Step 4: Simplify right side
    98,879.07x = 8,002,071,968.23
  5. Step 5: Solve for x
    x = 8,002,071,968.23/98,879.07
  6. Step 6: Final answer
    x = 80,927.86

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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.