Home / 104,533.16-144,255.89-56,786.50

Finding the Fourth Proportional to 104,533.16, 144,255.89 and 56,786.50

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Solution

The fourth proportional to 104,533.16, 144,255.89 and 56,786.50 is: 78,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,533.16 : 144,255.89 = 56,786.50 : x
  2. Step 2: Convert to fraction form
    104,533.16/144,255.89 = 56,786.50/x
  3. Step 3: Cross multiply
    104,533.16x = 144,255.89 × 56,786.50
  4. Step 4: Simplify right side
    104,533.16x = 8,191,786,813.55
  5. Step 5: Solve for x
    x = 8,191,786,813.55/104,533.16
  6. Step 6: Final answer
    x = 78,365.44

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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.