Home / 105,356.34-158,050.23-38,791.35

Finding the Fourth Proportional to 105,356.34, 158,050.23 and 38,791.35

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Solution

The fourth proportional to 105,356.34, 158,050.23 and 38,791.35 is: 58,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,356.34 : 158,050.23 = 38,791.35 : x
  2. Step 2: Convert to fraction form
    105,356.34/158,050.23 = 38,791.35/x
  3. Step 3: Cross multiply
    105,356.34x = 158,050.23 × 38,791.35
  4. Step 4: Simplify right side
    105,356.34x = 6,130,981,789.51
  5. Step 5: Solve for x
    x = 6,130,981,789.51/105,356.34
  6. Step 6: Final answer
    x = 58,192.81

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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.