Home / 74,172.90-111,259.33-49,261.58

Finding the Fourth Proportional to 74,172.90, 111,259.33 and 49,261.58

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Solution

The fourth proportional to 74,172.90, 111,259.33 and 49,261.58 is: 73,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,172.90 : 111,259.33 = 49,261.58 : x
  2. Step 2: Convert to fraction form
    74,172.90/111,259.33 = 49,261.58/x
  3. Step 3: Cross multiply
    74,172.90x = 111,259.33 × 49,261.58
  4. Step 4: Simplify right side
    74,172.90x = 5,480,810,540.54
  5. Step 5: Solve for x
    x = 5,480,810,540.54/74,172.90
  6. Step 6: Final answer
    x = 73,892.36

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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.