Home / 103,524.63-155,323.40-50,971.02

Finding the Fourth Proportional to 103,524.63, 155,323.40 and 50,971.02

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Solution

The fourth proportional to 103,524.63, 155,323.40 and 50,971.02 is: 76,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.63 : 155,323.40 = 50,971.02 : x
  2. Step 2: Convert to fraction form
    103,524.63/155,323.40 = 50,971.02/x
  3. Step 3: Cross multiply
    103,524.63x = 155,323.40 × 50,971.02
  4. Step 4: Simplify right side
    103,524.63x = 7,916,991,873.01
  5. Step 5: Solve for x
    x = 7,916,991,873.01/103,524.63
  6. Step 6: Final answer
    x = 76,474.48

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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.