Home / 40,782.22-61,173.30-11,200.18

Finding the Fourth Proportional to 40,782.22, 61,173.30 and 11,200.18

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Solution

The fourth proportional to 40,782.22, 61,173.30 and 11,200.18 is: 16,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.22 : 61,173.30 = 11,200.18 : x
  2. Step 2: Convert to fraction form
    40,782.22/61,173.30 = 11,200.18/x
  3. Step 3: Cross multiply
    40,782.22x = 61,173.30 × 11,200.18
  4. Step 4: Simplify right side
    40,782.22x = 685,151,971.19
  5. Step 5: Solve for x
    x = 685,151,971.19/40,782.22
  6. Step 6: Final answer
    x = 16,800.26

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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.