Home / 91,301.32-125,993.47-51,015.41

Finding the Fourth Proportional to 91,301.32, 125,993.47 and 51,015.41

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Solution

The fourth proportional to 91,301.32, 125,993.47 and 51,015.41 is: 70,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,301.32 : 125,993.47 = 51,015.41 : x
  2. Step 2: Convert to fraction form
    91,301.32/125,993.47 = 51,015.41/x
  3. Step 3: Cross multiply
    91,301.32x = 125,993.47 × 51,015.41
  4. Step 4: Simplify right side
    91,301.32x = 6,427,608,525.60
  5. Step 5: Solve for x
    x = 6,427,608,525.60/91,301.32
  6. Step 6: Final answer
    x = 70,399.95

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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.