Home / 105,859.04-158,687.48-39,281.36

Finding the Fourth Proportional to 105,859.04, 158,687.48 and 39,281.36

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Solution

The fourth proportional to 105,859.04, 158,687.48 and 39,281.36 is: 58,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,859.04 : 158,687.48 = 39,281.36 : x
  2. Step 2: Convert to fraction form
    105,859.04/158,687.48 = 39,281.36/x
  3. Step 3: Cross multiply
    105,859.04x = 158,687.48 × 39,281.36
  4. Step 4: Simplify right side
    105,859.04x = 6,233,460,029.37
  5. Step 5: Solve for x
    x = 6,233,460,029.37/105,859.04
  6. Step 6: Final answer
    x = 58,884.53

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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.