Home / 78,796.48-118,192.56-26,206.96

Finding the Fourth Proportional to 78,796.48, 118,192.56 and 26,206.96

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Solution

The fourth proportional to 78,796.48, 118,192.56 and 26,206.96 is: 39,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,796.48 : 118,192.56 = 26,206.96 : x
  2. Step 2: Convert to fraction form
    78,796.48/118,192.56 = 26,206.96/x
  3. Step 3: Cross multiply
    78,796.48x = 118,192.56 × 26,206.96
  4. Step 4: Simplify right side
    78,796.48x = 3,097,467,692.22
  5. Step 5: Solve for x
    x = 3,097,467,692.22/78,796.48
  6. Step 6: Final answer
    x = 39,309.72

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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.