Home / 90,777.84-125,273.52-50,490.60

Finding the Fourth Proportional to 90,777.84, 125,273.52 and 50,490.60

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Solution

The fourth proportional to 90,777.84, 125,273.52 and 50,490.60 is: 69,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777.84 : 125,273.52 = 50,490.60 : x
  2. Step 2: Convert to fraction form
    90,777.84/125,273.52 = 50,490.60/x
  3. Step 3: Cross multiply
    90,777.84x = 125,273.52 × 50,490.60
  4. Step 4: Simplify right side
    90,777.84x = 6,325,135,188.91
  5. Step 5: Solve for x
    x = 6,325,135,188.91/90,777.84
  6. Step 6: Final answer
    x = 69,677.08

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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.