Home / 74,566.62-102,904.38-42,741.54

Finding the Fourth Proportional to 74,566.62, 102,904.38 and 42,741.54

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Solution

The fourth proportional to 74,566.62, 102,904.38 and 42,741.54 is: 58,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,566.62 : 102,904.38 = 42,741.54 : x
  2. Step 2: Convert to fraction form
    74,566.62/102,904.38 = 42,741.54/x
  3. Step 3: Cross multiply
    74,566.62x = 102,904.38 × 42,741.54
  4. Step 4: Simplify right side
    74,566.62x = 4,398,291,673.95
  5. Step 5: Solve for x
    x = 4,398,291,673.95/74,566.62
  6. Step 6: Final answer
    x = 58,984.73

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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.