Home / 111,869.58-154,377.09-60,883.32

Finding the Fourth Proportional to 111,869.58, 154,377.09 and 60,883.32

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Solution

The fourth proportional to 111,869.58, 154,377.09 and 60,883.32 is: 84,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,869.58 : 154,377.09 = 60,883.32 : x
  2. Step 2: Convert to fraction form
    111,869.58/154,377.09 = 60,883.32/x
  3. Step 3: Cross multiply
    111,869.58x = 154,377.09 × 60,883.32
  4. Step 4: Simplify right side
    111,869.58x = 9,398,989,771.14
  5. Step 5: Solve for x
    x = 9,398,989,771.14/111,869.58
  6. Step 6: Final answer
    x = 84,017.39

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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.