Home / 105,571.06-158,372.03-30,681.45

Finding the Fourth Proportional to 105,571.06, 158,372.03 and 30,681.45

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Solution

The fourth proportional to 105,571.06, 158,372.03 and 30,681.45 is: 46,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,571.06 : 158,372.03 = 30,681.45 : x
  2. Step 2: Convert to fraction form
    105,571.06/158,372.03 = 30,681.45/x
  3. Step 3: Cross multiply
    105,571.06x = 158,372.03 × 30,681.45
  4. Step 4: Simplify right side
    105,571.06x = 4,859,083,596.55
  5. Step 5: Solve for x
    x = 4,859,083,596.55/105,571.06
  6. Step 6: Final answer
    x = 46,026.66

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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.