Home / 114,857.22-172,272.15-30,623.70

Finding the Fourth Proportional to 114,857.22, 172,272.15 and 30,623.70

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Solution

The fourth proportional to 114,857.22, 172,272.15 and 30,623.70 is: 45,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,857.22 : 172,272.15 = 30,623.70 : x
  2. Step 2: Convert to fraction form
    114,857.22/172,272.15 = 30,623.70/x
  3. Step 3: Cross multiply
    114,857.22x = 172,272.15 × 30,623.70
  4. Step 4: Simplify right side
    114,857.22x = 5,275,610,639.96
  5. Step 5: Solve for x
    x = 5,275,610,639.96/114,857.22
  6. Step 6: Final answer
    x = 45,931.90

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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.