Home / 104,080.02-143,633.90-63,786.00

Finding the Fourth Proportional to 104,080.02, 143,633.90 and 63,786.00

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Solution

The fourth proportional to 104,080.02, 143,633.90 and 63,786.00 is: 88,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.02 : 143,633.90 = 63,786.00 : x
  2. Step 2: Convert to fraction form
    104,080.02/143,633.90 = 63,786.00/x
  3. Step 3: Cross multiply
    104,080.02x = 143,633.90 × 63,786.00
  4. Step 4: Simplify right side
    104,080.02x = 9,161,831,835.55
  5. Step 5: Solve for x
    x = 9,161,831,835.55/104,080.02
  6. Step 6: Final answer
    x = 88,026.81

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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.