Home / 74,184.92-102,319.38-51,523.94

Finding the Fourth Proportional to 74,184.92, 102,319.38 and 51,523.94

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Solution

The fourth proportional to 74,184.92, 102,319.38 and 51,523.94 is: 71,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184.92 : 102,319.38 = 51,523.94 : x
  2. Step 2: Convert to fraction form
    74,184.92/102,319.38 = 51,523.94/x
  3. Step 3: Cross multiply
    74,184.92x = 102,319.38 × 51,523.94
  4. Step 4: Simplify right side
    74,184.92x = 5,271,897,595.96
  5. Step 5: Solve for x
    x = 5,271,897,595.96/74,184.92
  6. Step 6: Final answer
    x = 71,064.28

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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.