Home / 54,712.62-82,068.95-42,250.86

Finding the Fourth Proportional to 54,712.62, 82,068.95 and 42,250.86

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Solution

The fourth proportional to 54,712.62, 82,068.95 and 42,250.86 is: 63,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.62 : 82,068.95 = 42,250.86 : x
  2. Step 2: Convert to fraction form
    54,712.62/82,068.95 = 42,250.86/x
  3. Step 3: Cross multiply
    54,712.62x = 82,068.95 × 42,250.86
  4. Step 4: Simplify right side
    54,712.62x = 3,467,483,716.80
  5. Step 5: Solve for x
    x = 3,467,483,716.80/54,712.62
  6. Step 6: Final answer
    x = 63,376.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.