Home / 91,015.37-125,601.78-50,731.68

Finding the Fourth Proportional to 91,015.37, 125,601.78 and 50,731.68

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Solution

The fourth proportional to 91,015.37, 125,601.78 and 50,731.68 is: 70,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,015.37 : 125,601.78 = 50,731.68 : x
  2. Step 2: Convert to fraction form
    91,015.37/125,601.78 = 50,731.68/x
  3. Step 3: Cross multiply
    91,015.37x = 125,601.78 × 50,731.68
  4. Step 4: Simplify right side
    91,015.37x = 6,371,989,406.09
  5. Step 5: Solve for x
    x = 6,371,989,406.09/91,015.37
  6. Step 6: Final answer
    x = 70,010.04

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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.