Home / 114,990.18-172,473.13-30,758.84

Finding the Fourth Proportional to 114,990.18, 172,473.13 and 30,758.84

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Solution

The fourth proportional to 114,990.18, 172,473.13 and 30,758.84 is: 46,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.18 : 172,473.13 = 30,758.84 : x
  2. Step 2: Convert to fraction form
    114,990.18/172,473.13 = 30,758.84/x
  3. Step 3: Cross multiply
    114,990.18x = 172,473.13 × 30,758.84
  4. Step 4: Simplify right side
    114,990.18x = 5,305,072,978.79
  5. Step 5: Solve for x
    x = 5,305,072,978.79/114,990.18
  6. Step 6: Final answer
    x = 46,135.01

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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.