Home / 40,109.10-60,172.02-12,028.02

Finding the Fourth Proportional to 40,109.10, 60,172.02 and 12,028.02

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Solution

The fourth proportional to 40,109.10, 60,172.02 and 12,028.02 is: 18,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.10 : 60,172.02 = 12,028.02 : x
  2. Step 2: Convert to fraction form
    40,109.10/60,172.02 = 12,028.02/x
  3. Step 3: Cross multiply
    40,109.10x = 60,172.02 × 12,028.02
  4. Step 4: Simplify right side
    40,109.10x = 723,750,260.00
  5. Step 5: Solve for x
    x = 723,750,260.00/40,109.10
  6. Step 6: Final answer
    x = 18,044.54

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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.