Home / 49,279.82-74,008.80-45,527.56

Finding the Fourth Proportional to 49,279.82, 74,008.80 and 45,527.56

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Solution

The fourth proportional to 49,279.82, 74,008.80 and 45,527.56 is: 68,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,279.82 : 74,008.80 = 45,527.56 : x
  2. Step 2: Convert to fraction form
    49,279.82/74,008.80 = 45,527.56/x
  3. Step 3: Cross multiply
    49,279.82x = 74,008.80 × 45,527.56
  4. Step 4: Simplify right side
    49,279.82x = 3,369,440,082.53
  5. Step 5: Solve for x
    x = 3,369,440,082.53/49,279.82
  6. Step 6: Final answer
    x = 68,373.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.