Home / 90,532.09-124,932.73-50,247.55

Finding the Fourth Proportional to 90,532.09, 124,932.73 and 50,247.55

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Solution

The fourth proportional to 90,532.09, 124,932.73 and 50,247.55 is: 69,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,532.09 : 124,932.73 = 50,247.55 : x
  2. Step 2: Convert to fraction form
    90,532.09/124,932.73 = 50,247.55/x
  3. Step 3: Cross multiply
    90,532.09x = 124,932.73 × 50,247.55
  4. Step 4: Simplify right side
    90,532.09x = 6,277,563,597.31
  5. Step 5: Solve for x
    x = 6,277,563,597.31/90,532.09
  6. Step 6: Final answer
    x = 69,340.76

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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.