Home / 114,721.80-172,015.88-44,519.10

Finding the Fourth Proportional to 114,721.80, 172,015.88 and 44,519.10

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Solution

The fourth proportional to 114,721.80, 172,015.88 and 44,519.10 is: 66,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,721.80 : 172,015.88 = 44,519.10 : x
  2. Step 2: Convert to fraction form
    114,721.80/172,015.88 = 44,519.10/x
  3. Step 3: Cross multiply
    114,721.80x = 172,015.88 × 44,519.10
  4. Step 4: Simplify right side
    114,721.80x = 7,657,991,940.71
  5. Step 5: Solve for x
    x = 7,657,991,940.71/114,721.80
  6. Step 6: Final answer
    x = 66,752.72

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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.