Home / 104,014.64-143,540.13-56,268.03

Finding the Fourth Proportional to 104,014.64, 143,540.13 and 56,268.03

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Solution

The fourth proportional to 104,014.64, 143,540.13 and 56,268.03 is: 77,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,014.64 : 143,540.13 = 56,268.03 : x
  2. Step 2: Convert to fraction form
    104,014.64/143,540.13 = 56,268.03/x
  3. Step 3: Cross multiply
    104,014.64x = 143,540.13 × 56,268.03
  4. Step 4: Simplify right side
    104,014.64x = 8,076,721,090.32
  5. Step 5: Solve for x
    x = 8,076,721,090.32/104,014.64
  6. Step 6: Final answer
    x = 77,649.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.