Home / 74,314.12-102,553.68-42,483.88

Finding the Fourth Proportional to 74,314.12, 102,553.68 and 42,483.88

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Solution

The fourth proportional to 74,314.12, 102,553.68 and 42,483.88 is: 58,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.12 : 102,553.68 = 42,483.88 : x
  2. Step 2: Convert to fraction form
    74,314.12/102,553.68 = 42,483.88/x
  3. Step 3: Cross multiply
    74,314.12x = 102,553.68 × 42,483.88
  4. Step 4: Simplify right side
    74,314.12x = 4,356,878,234.68
  5. Step 5: Solve for x
    x = 4,356,878,234.68/74,314.12
  6. Step 6: Final answer
    x = 58,627.87

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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.