Home / 114,972.72-172,390.32-44,769.84

Finding the Fourth Proportional to 114,972.72, 172,390.32 and 44,769.84

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Solution

The fourth proportional to 114,972.72, 172,390.32 and 44,769.84 is: 67,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,972.72 : 172,390.32 = 44,769.84 : x
  2. Step 2: Convert to fraction form
    114,972.72/172,390.32 = 44,769.84/x
  3. Step 3: Cross multiply
    114,972.72x = 172,390.32 × 44,769.84
  4. Step 4: Simplify right side
    114,972.72x = 7,717,887,043.95
  5. Step 5: Solve for x
    x = 7,717,887,043.95/114,972.72
  6. Step 6: Final answer
    x = 67,127.99

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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.