Home / 74,460.87-102,754.17-42,627.06

Finding the Fourth Proportional to 74,460.87, 102,754.17 and 42,627.06

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Solution

The fourth proportional to 74,460.87, 102,754.17 and 42,627.06 is: 58,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460.87 : 102,754.17 = 42,627.06 : x
  2. Step 2: Convert to fraction form
    74,460.87/102,754.17 = 42,627.06/x
  3. Step 3: Cross multiply
    74,460.87x = 102,754.17 × 42,627.06
  4. Step 4: Simplify right side
    74,460.87x = 4,380,108,169.84
  5. Step 5: Solve for x
    x = 4,380,108,169.84/74,460.87
  6. Step 6: Final answer
    x = 58,824.29

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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.