Home / 104,556.56-156,727.96-45,342.32

Finding the Fourth Proportional to 104,556.56, 156,727.96 and 45,342.32

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Solution

The fourth proportional to 104,556.56, 156,727.96 and 45,342.32 is: 67,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.56 : 156,727.96 = 45,342.32 : x
  2. Step 2: Convert to fraction form
    104,556.56/156,727.96 = 45,342.32/x
  3. Step 3: Cross multiply
    104,556.56x = 156,727.96 × 45,342.32
  4. Step 4: Simplify right side
    104,556.56x = 7,106,409,315.27
  5. Step 5: Solve for x
    x = 7,106,409,315.27/104,556.56
  6. Step 6: Final answer
    x = 67,967.13

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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.