Home / 74,246.96-102,462.84-42,421.04

Finding the Fourth Proportional to 74,246.96, 102,462.84 and 42,421.04

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Solution

The fourth proportional to 74,246.96, 102,462.84 and 42,421.04 is: 58,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.96 : 102,462.84 = 42,421.04 : x
  2. Step 2: Convert to fraction form
    74,246.96/102,462.84 = 42,421.04/x
  3. Step 3: Cross multiply
    74,246.96x = 102,462.84 × 42,421.04
  4. Step 4: Simplify right side
    74,246.96x = 4,346,580,234.15
  5. Step 5: Solve for x
    x = 4,346,580,234.15/74,246.96
  6. Step 6: Final answer
    x = 58,542.20

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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.