Home / 111,311.12-153,616.82-62,896.28

Finding the Fourth Proportional to 111,311.12, 153,616.82 and 62,896.28

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Solution

The fourth proportional to 111,311.12, 153,616.82 and 62,896.28 is: 86,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,311.12 : 153,616.82 = 62,896.28 : x
  2. Step 2: Convert to fraction form
    111,311.12/153,616.82 = 62,896.28/x
  3. Step 3: Cross multiply
    111,311.12x = 153,616.82 × 62,896.28
  4. Step 4: Simplify right side
    111,311.12x = 9,661,925,440.86
  5. Step 5: Solve for x
    x = 9,661,925,440.86/111,311.12
  6. Step 6: Final answer
    x = 86,801.08

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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.