Home / 81,133.36-111,963.74-44,833.79

Finding the Fourth Proportional to 81,133.36, 111,963.74 and 44,833.79

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Solution

The fourth proportional to 81,133.36, 111,963.74 and 44,833.79 is: 61,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,133.36 : 111,963.74 = 44,833.79 : x
  2. Step 2: Convert to fraction form
    81,133.36/111,963.74 = 44,833.79/x
  3. Step 3: Cross multiply
    81,133.36x = 111,963.74 × 44,833.79
  4. Step 4: Simplify right side
    81,133.36x = 5,019,758,806.77
  5. Step 5: Solve for x
    x = 5,019,758,806.77/81,133.36
  6. Step 6: Final answer
    x = 61,870.47

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1.5x scale

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.