Home / 114,705.36-172,049.54-48,142.80

Finding the Fourth Proportional to 114,705.36, 172,049.54 and 48,142.80

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Solution

The fourth proportional to 114,705.36, 172,049.54 and 48,142.80 is: 72,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,705.36 : 172,049.54 = 48,142.80 : x
  2. Step 2: Convert to fraction form
    114,705.36/172,049.54 = 48,142.80/x
  3. Step 3: Cross multiply
    114,705.36x = 172,049.54 × 48,142.80
  4. Step 4: Simplify right side
    114,705.36x = 8,282,946,353.60
  5. Step 5: Solve for x
    x = 8,282,946,353.60/114,705.36
  6. Step 6: Final answer
    x = 72,210.63

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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.