Home / 111,640.94-154,065.23-60,653.66

Finding the Fourth Proportional to 111,640.94, 154,065.23 and 60,653.66

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Solution

The fourth proportional to 111,640.94, 154,065.23 and 60,653.66 is: 83,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,640.94 : 154,065.23 = 60,653.66 : x
  2. Step 2: Convert to fraction form
    111,640.94/154,065.23 = 60,653.66/x
  3. Step 3: Cross multiply
    111,640.94x = 154,065.23 × 60,653.66
  4. Step 4: Simplify right side
    111,640.94x = 9,344,619,232.10
  5. Step 5: Solve for x
    x = 9,344,619,232.10/111,640.94
  6. Step 6: Final answer
    x = 83,702.44

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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.