Home / 104,556.33-144,288.27-56,809.80

Finding the Fourth Proportional to 104,556.33, 144,288.27 and 56,809.80

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Solution

The fourth proportional to 104,556.33, 144,288.27 and 56,809.80 is: 78,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.33 : 144,288.27 = 56,809.80 : x
  2. Step 2: Convert to fraction form
    104,556.33/144,288.27 = 56,809.80/x
  3. Step 3: Cross multiply
    104,556.33x = 144,288.27 × 56,809.80
  4. Step 4: Simplify right side
    104,556.33x = 8,196,987,761.05
  5. Step 5: Solve for x
    x = 8,196,987,761.05/104,556.33
  6. Step 6: Final answer
    x = 78,397.81

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1.5x scale

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.