Home / 105,470.02-158,255.40-49,301.97

Finding the Fourth Proportional to 105,470.02, 158,255.40 and 49,301.97

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Solution

The fourth proportional to 105,470.02, 158,255.40 and 49,301.97 is: 73,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,470.02 : 158,255.40 = 49,301.97 : x
  2. Step 2: Convert to fraction form
    105,470.02/158,255.40 = 49,301.97/x
  3. Step 3: Cross multiply
    105,470.02x = 158,255.40 × 49,301.97
  4. Step 4: Simplify right side
    105,470.02x = 7,802,302,983.14
  5. Step 5: Solve for x
    x = 7,802,302,983.14/105,470.02
  6. Step 6: Final answer
    x = 73,976.50

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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.