Home / 90,674.48-125,126.70-50,388.05

Finding the Fourth Proportional to 90,674.48, 125,126.70 and 50,388.05

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Solution

The fourth proportional to 90,674.48, 125,126.70 and 50,388.05 is: 69,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,674.48 : 125,126.70 = 50,388.05 : x
  2. Step 2: Convert to fraction form
    90,674.48/125,126.70 = 50,388.05/x
  3. Step 3: Cross multiply
    90,674.48x = 125,126.70 × 50,388.05
  4. Step 4: Simplify right side
    90,674.48x = 6,304,890,415.94
  5. Step 5: Solve for x
    x = 6,304,890,415.94/90,674.48
  6. Step 6: Final answer
    x = 69,533.24

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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.