Home / 90,724.56-125,192.79-50,435.88

Finding the Fourth Proportional to 90,724.56, 125,192.79 and 50,435.88

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Solution

The fourth proportional to 90,724.56, 125,192.79 and 50,435.88 is: 69,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,724.56 : 125,192.79 = 50,435.88 : x
  2. Step 2: Convert to fraction form
    90,724.56/125,192.79 = 50,435.88/x
  3. Step 3: Cross multiply
    90,724.56x = 125,192.79 × 50,435.88
  4. Step 4: Simplify right side
    90,724.56x = 6,314,208,533.31
  5. Step 5: Solve for x
    x = 6,314,208,533.31/90,724.56
  6. Step 6: Final answer
    x = 69,597.57

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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.