Home / 105,580.21-158,393.66-58,170.88

Finding the Fourth Proportional to 105,580.21, 158,393.66 and 58,170.88

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Solution

The fourth proportional to 105,580.21, 158,393.66 and 58,170.88 is: 87,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,580.21 : 158,393.66 = 58,170.88 : x
  2. Step 2: Convert to fraction form
    105,580.21/158,393.66 = 58,170.88/x
  3. Step 3: Cross multiply
    105,580.21x = 158,393.66 × 58,170.88
  4. Step 4: Simplify right side
    105,580.21x = 9,213,898,588.62
  5. Step 5: Solve for x
    x = 9,213,898,588.62/105,580.21
  6. Step 6: Final answer
    x = 87,269.18

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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.