Home / 74,184.45-102,318.71-51,523.49

Finding the Fourth Proportional to 74,184.45, 102,318.71 and 51,523.49

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Solution

The fourth proportional to 74,184.45, 102,318.71 and 51,523.49 is: 71,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184.45 : 102,318.71 = 51,523.49 : x
  2. Step 2: Convert to fraction form
    74,184.45/102,318.71 = 51,523.49/x
  3. Step 3: Cross multiply
    74,184.45x = 102,318.71 × 51,523.49
  4. Step 4: Simplify right side
    74,184.45x = 5,271,816,262.29
  5. Step 5: Solve for x
    x = 5,271,816,262.29/74,184.45
  6. Step 6: Final answer
    x = 71,063.63

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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.