Home / 105,670.11-158,525.93-39,110.81

Finding the Fourth Proportional to 105,670.11, 158,525.93 and 39,110.81

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Solution

The fourth proportional to 105,670.11, 158,525.93 and 39,110.81 is: 58,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,670.11 : 158,525.93 = 39,110.81 : x
  2. Step 2: Convert to fraction form
    105,670.11/158,525.93 = 39,110.81/x
  3. Step 3: Cross multiply
    105,670.11x = 158,525.93 × 39,110.81
  4. Step 4: Simplify right side
    105,670.11x = 6,200,076,540.12
  5. Step 5: Solve for x
    x = 6,200,076,540.12/105,670.11
  6. Step 6: Final answer
    x = 58,673.89

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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.