Home / 94,905.78-142,388.28-28,348.53

Finding the Fourth Proportional to 94,905.78, 142,388.28 and 28,348.53

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Solution

The fourth proportional to 94,905.78, 142,388.28 and 28,348.53 is: 42,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,905.78 : 142,388.28 = 28,348.53 : x
  2. Step 2: Convert to fraction form
    94,905.78/142,388.28 = 28,348.53/x
  3. Step 3: Cross multiply
    94,905.78x = 142,388.28 × 28,348.53
  4. Step 4: Simplify right side
    94,905.78x = 4,036,498,694.21
  5. Step 5: Solve for x
    x = 4,036,498,694.21/94,905.78
  6. Step 6: Final answer
    x = 42,531.64

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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.