Home / 91,278.02-125,954.61-50,990.92

Finding the Fourth Proportional to 91,278.02, 125,954.61 and 50,990.92

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Solution

The fourth proportional to 91,278.02, 125,954.61 and 50,990.92 is: 70,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,278.02 : 125,954.61 = 50,990.92 : x
  2. Step 2: Convert to fraction form
    91,278.02/125,954.61 = 50,990.92/x
  3. Step 3: Cross multiply
    91,278.02x = 125,954.61 × 50,990.92
  4. Step 4: Simplify right side
    91,278.02x = 6,422,540,812.37
  5. Step 5: Solve for x
    x = 6,422,540,812.37/91,278.02
  6. Step 6: Final answer
    x = 70,362.40

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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.