Home / 74,255.76-102,466.62-42,418.44

Finding the Fourth Proportional to 74,255.76, 102,466.62 and 42,418.44

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Solution

The fourth proportional to 74,255.76, 102,466.62 and 42,418.44 is: 58,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.76 : 102,466.62 = 42,418.44 : x
  2. Step 2: Convert to fraction form
    74,255.76/102,466.62 = 42,418.44/x
  3. Step 3: Cross multiply
    74,255.76x = 102,466.62 × 42,418.44
  4. Step 4: Simplify right side
    74,255.76x = 4,346,474,172.47
  5. Step 5: Solve for x
    x = 4,346,474,172.47/74,255.76
  6. Step 6: Final answer
    x = 58,533.83

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1.5x scale

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.