Home / 80,072.48-110,503.14-53,168.60

Finding the Fourth Proportional to 80,072.48, 110,503.14 and 53,168.60

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Solution

The fourth proportional to 80,072.48, 110,503.14 and 53,168.60 is: 73,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,072.48 : 110,503.14 = 53,168.60 : x
  2. Step 2: Convert to fraction form
    80,072.48/110,503.14 = 53,168.60/x
  3. Step 3: Cross multiply
    80,072.48x = 110,503.14 × 53,168.60
  4. Step 4: Simplify right side
    80,072.48x = 5,875,297,249.40
  5. Step 5: Solve for x
    x = 5,875,297,249.40/80,072.48
  6. Step 6: Final answer
    x = 73,374.74

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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.