Home / 104,736.12-144,533.34-56,989.32

Finding the Fourth Proportional to 104,736.12, 144,533.34 and 56,989.32

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Solution

The fourth proportional to 104,736.12, 144,533.34 and 56,989.32 is: 78,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,736.12 : 144,533.34 = 56,989.32 : x
  2. Step 2: Convert to fraction form
    104,736.12/144,533.34 = 56,989.32/x
  3. Step 3: Cross multiply
    104,736.12x = 144,533.34 × 56,989.32
  4. Step 4: Simplify right side
    104,736.12x = 8,236,856,763.93
  5. Step 5: Solve for x
    x = 8,236,856,763.93/104,736.12
  6. Step 6: Final answer
    x = 78,643.90

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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.