Home / 105,751.20-158,648.40-35,637.60

Finding the Fourth Proportional to 105,751.20, 158,648.40 and 35,637.60

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Solution

The fourth proportional to 105,751.20, 158,648.40 and 35,637.60 is: 53,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,751.20 : 158,648.40 = 35,637.60 : x
  2. Step 2: Convert to fraction form
    105,751.20/158,648.40 = 35,637.60/x
  3. Step 3: Cross multiply
    105,751.20x = 158,648.40 × 35,637.60
  4. Step 4: Simplify right side
    105,751.20x = 5,653,848,219.84
  5. Step 5: Solve for x
    x = 5,653,848,219.84/105,751.20
  6. Step 6: Final answer
    x = 53,463.68

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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.