Home / 105,441.50-158,164.09-38,847.35

Finding the Fourth Proportional to 105,441.50, 158,164.09 and 38,847.35

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Solution

The fourth proportional to 105,441.50, 158,164.09 and 38,847.35 is: 58,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,441.50 : 158,164.09 = 38,847.35 : x
  2. Step 2: Convert to fraction form
    105,441.50/158,164.09 = 38,847.35/x
  3. Step 3: Cross multiply
    105,441.50x = 158,164.09 × 38,847.35
  4. Step 4: Simplify right side
    105,441.50x = 6,144,256,059.95
  5. Step 5: Solve for x
    x = 6,144,256,059.95/105,441.50
  6. Step 6: Final answer
    x = 58,271.70

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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.