Home / 105,592.06-158,480.35-61,157.68

Finding the Fourth Proportional to 105,592.06, 158,480.35 and 61,157.68

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Solution

The fourth proportional to 105,592.06, 158,480.35 and 61,157.68 is: 91,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,592.06 : 158,480.35 = 61,157.68 : x
  2. Step 2: Convert to fraction form
    105,592.06/158,480.35 = 61,157.68/x
  3. Step 3: Cross multiply
    105,592.06x = 158,480.35 × 61,157.68
  4. Step 4: Simplify right side
    105,592.06x = 9,692,290,873.94
  5. Step 5: Solve for x
    x = 9,692,290,873.94/105,592.06
  6. Step 6: Final answer
    x = 91,789.96

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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.