Home / 90,932.47-125,486.85-50,653.96

Finding the Fourth Proportional to 90,932.47, 125,486.85 and 50,653.96

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Solution

The fourth proportional to 90,932.47, 125,486.85 and 50,653.96 is: 69,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,932.47 : 125,486.85 = 50,653.96 : x
  2. Step 2: Convert to fraction form
    90,932.47/125,486.85 = 50,653.96/x
  3. Step 3: Cross multiply
    90,932.47x = 125,486.85 × 50,653.96
  4. Step 4: Simplify right side
    90,932.47x = 6,356,405,880.43
  5. Step 5: Solve for x
    x = 6,356,405,880.43/90,932.47
  6. Step 6: Final answer
    x = 69,902.49

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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.