Home / 83,768.20-115,601-45,527.74

Finding the Fourth Proportional to 83,768.20, 115,601 and 45,527.74

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Solution

The fourth proportional to 83,768.20, 115,601 and 45,527.74 is: 62,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,768.20 : 115,601 = 45,527.74 : x
  2. Step 2: Convert to fraction form
    83,768.20/115,601 = 45,527.74/x
  3. Step 3: Cross multiply
    83,768.20x = 115,601 × 45,527.74
  4. Step 4: Simplify right side
    83,768.20x = 5,263,052,271.74
  5. Step 5: Solve for x
    x = 5,263,052,271.74/83,768.20
  6. Step 6: Final answer
    x = 62,828.76

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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.