Home / 111,426.75-153,766.44-63,022.28

Finding the Fourth Proportional to 111,426.75, 153,766.44 and 63,022.28

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Solution

The fourth proportional to 111,426.75, 153,766.44 and 63,022.28 is: 86,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,426.75 : 153,766.44 = 63,022.28 : x
  2. Step 2: Convert to fraction form
    111,426.75/153,766.44 = 63,022.28/x
  3. Step 3: Cross multiply
    111,426.75x = 153,766.44 × 63,022.28
  4. Step 4: Simplify right side
    111,426.75x = 9,690,710,867.45
  5. Step 5: Solve for x
    x = 9,690,710,867.45/111,426.75
  6. Step 6: Final answer
    x = 86,969.34

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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.