Home / 113,090.40-169,732.80-50,007.60

Finding the Fourth Proportional to 113,090.40, 169,732.80 and 50,007.60

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Solution

The fourth proportional to 113,090.40, 169,732.80 and 50,007.60 is: 75,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,090.40 : 169,732.80 = 50,007.60 : x
  2. Step 2: Convert to fraction form
    113,090.40/169,732.80 = 50,007.60/x
  3. Step 3: Cross multiply
    113,090.40x = 169,732.80 × 50,007.60
  4. Step 4: Simplify right side
    113,090.40x = 8,487,929,969.28
  5. Step 5: Solve for x
    x = 8,487,929,969.28/113,090.40
  6. Step 6: Final answer
    x = 75,054.38

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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.