Home / 90,932.22-125,485.61-50,643.63

Finding the Fourth Proportional to 90,932.22, 125,485.61 and 50,643.63

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Solution

The fourth proportional to 90,932.22, 125,485.61 and 50,643.63 is: 69,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,932.22 : 125,485.61 = 50,643.63 : x
  2. Step 2: Convert to fraction form
    90,932.22/125,485.61 = 50,643.63/x
  3. Step 3: Cross multiply
    90,932.22x = 125,485.61 × 50,643.63
  4. Step 4: Simplify right side
    90,932.22x = 6,355,046,549.95
  5. Step 5: Solve for x
    x = 6,355,046,549.95/90,932.22
  6. Step 6: Final answer
    x = 69,887.73

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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.