Home / 79,260.30-118,890.45-26,664.30

Finding the Fourth Proportional to 79,260.30, 118,890.45 and 26,664.30

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Solution

The fourth proportional to 79,260.30, 118,890.45 and 26,664.30 is: 39,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260.30 : 118,890.45 = 26,664.30 : x
  2. Step 2: Convert to fraction form
    79,260.30/118,890.45 = 26,664.30/x
  3. Step 3: Cross multiply
    79,260.30x = 118,890.45 × 26,664.30
  4. Step 4: Simplify right side
    79,260.30x = 3,170,130,625.94
  5. Step 5: Solve for x
    x = 3,170,130,625.94/79,260.30
  6. Step 6: Final answer
    x = 39,996.45

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1.5x scale

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.