Home / 114,990.17-172,512.93-48,449.33

Finding the Fourth Proportional to 114,990.17, 172,512.93 and 48,449.33

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Solution

The fourth proportional to 114,990.17, 172,512.93 and 48,449.33 is: 72,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.17 : 172,512.93 = 48,449.33 : x
  2. Step 2: Convert to fraction form
    114,990.17/172,512.93 = 48,449.33/x
  3. Step 3: Cross multiply
    114,990.17x = 172,512.93 × 48,449.33
  4. Step 4: Simplify right side
    114,990.17x = 8,358,135,840.88
  5. Step 5: Solve for x
    x = 8,358,135,840.88/114,990.17
  6. Step 6: Final answer
    x = 72,685.66

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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.