Home / 111,164.80-153,408.99-62,769.46

Finding the Fourth Proportional to 111,164.80, 153,408.99 and 62,769.46

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Solution

The fourth proportional to 111,164.80, 153,408.99 and 62,769.46 is: 86,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,164.80 : 153,408.99 = 62,769.46 : x
  2. Step 2: Convert to fraction form
    111,164.80/153,408.99 = 62,769.46/x
  3. Step 3: Cross multiply
    111,164.80x = 153,408.99 × 62,769.46
  4. Step 4: Simplify right side
    111,164.80x = 9,629,399,461.45
  5. Step 5: Solve for x
    x = 9,629,399,461.45/111,164.80
  6. Step 6: Final answer
    x = 86,622.74

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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.