Home / 74,739.90-112,109.82-22,149.36

Finding the Fourth Proportional to 74,739.90, 112,109.82 and 22,149.36

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Solution

The fourth proportional to 74,739.90, 112,109.82 and 22,149.36 is: 33,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.90 : 112,109.82 = 22,149.36 : x
  2. Step 2: Convert to fraction form
    74,739.90/112,109.82 = 22,149.36/x
  3. Step 3: Cross multiply
    74,739.90x = 112,109.82 × 22,149.36
  4. Step 4: Simplify right side
    74,739.90x = 2,483,160,762.72
  5. Step 5: Solve for x
    x = 2,483,160,762.72/74,739.90
  6. Step 6: Final answer
    x = 33,224.03

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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.