Home / 74,483.16-102,757.68-42,635.04

Finding the Fourth Proportional to 74,483.16, 102,757.68 and 42,635.04

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Solution

The fourth proportional to 74,483.16, 102,757.68 and 42,635.04 is: 58,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,483.16 : 102,757.68 = 42,635.04 : x
  2. Step 2: Convert to fraction form
    74,483.16/102,757.68 = 42,635.04/x
  3. Step 3: Cross multiply
    74,483.16x = 102,757.68 × 42,635.04
  4. Step 4: Simplify right side
    74,483.16x = 4,381,077,797.11
  5. Step 5: Solve for x
    x = 4,381,077,797.11/74,483.16
  6. Step 6: Final answer
    x = 58,819.71

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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.