Home / 77,285.48-115,906.80-27,359.00

Finding the Fourth Proportional to 77,285.48, 115,906.80 and 27,359.00

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Solution

The fourth proportional to 77,285.48, 115,906.80 and 27,359.00 is: 41,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,285.48 : 115,906.80 = 27,359.00 : x
  2. Step 2: Convert to fraction form
    77,285.48/115,906.80 = 27,359.00/x
  3. Step 3: Cross multiply
    77,285.48x = 115,906.80 × 27,359.00
  4. Step 4: Simplify right side
    77,285.48x = 3,171,094,430.97
  5. Step 5: Solve for x
    x = 3,171,094,430.97/77,285.48
  6. Step 6: Final answer
    x = 41,030.92

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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.