Home / 91,107.36-125,722.41-50,823.69

Finding the Fourth Proportional to 91,107.36, 125,722.41 and 50,823.69

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Solution

The fourth proportional to 91,107.36, 125,722.41 and 50,823.69 is: 70,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107.36 : 125,722.41 = 50,823.69 : x
  2. Step 2: Convert to fraction form
    91,107.36/125,722.41 = 50,823.69/x
  3. Step 3: Cross multiply
    91,107.36x = 125,722.41 × 50,823.69
  4. Step 4: Simplify right side
    91,107.36x = 6,389,676,791.89
  5. Step 5: Solve for x
    x = 6,389,676,791.89/91,107.36
  6. Step 6: Final answer
    x = 70,133.49

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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.