Home / 79,306.75-109,453.04-45,772.75

Finding the Fourth Proportional to 79,306.75, 109,453.04 and 45,772.75

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Solution

The fourth proportional to 79,306.75, 109,453.04 and 45,772.75 is: 63,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.75 : 109,453.04 = 45,772.75 : x
  2. Step 2: Convert to fraction form
    79,306.75/109,453.04 = 45,772.75/x
  3. Step 3: Cross multiply
    79,306.75x = 109,453.04 × 45,772.75
  4. Step 4: Simplify right side
    79,306.75x = 5,009,966,636.66
  5. Step 5: Solve for x
    x = 5,009,966,636.66/79,306.75
  6. Step 6: Final answer
    x = 63,172.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.