Home / 79,277.56-109,381.26-49,048.36

Finding the Fourth Proportional to 79,277.56, 109,381.26 and 49,048.36

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Solution

The fourth proportional to 79,277.56, 109,381.26 and 49,048.36 is: 67,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.56 : 109,381.26 = 49,048.36 : x
  2. Step 2: Convert to fraction form
    79,277.56/109,381.26 = 49,048.36/x
  3. Step 3: Cross multiply
    79,277.56x = 109,381.26 × 49,048.36
  4. Step 4: Simplify right side
    79,277.56x = 5,364,971,417.73
  5. Step 5: Solve for x
    x = 5,364,971,417.73/79,277.56
  6. Step 6: Final answer
    x = 67,673.27

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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.