Home / 74,275.53-102,493.80-43,645.38

Finding the Fourth Proportional to 74,275.53, 102,493.80 and 43,645.38

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Solution

The fourth proportional to 74,275.53, 102,493.80 and 43,645.38 is: 60,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,275.53 : 102,493.80 = 43,645.38 : x
  2. Step 2: Convert to fraction form
    74,275.53/102,493.80 = 43,645.38/x
  3. Step 3: Cross multiply
    74,275.53x = 102,493.80 × 43,645.38
  4. Step 4: Simplify right side
    74,275.53x = 4,473,380,848.64
  5. Step 5: Solve for x
    x = 4,473,380,848.64/74,275.53
  6. Step 6: Final answer
    x = 60,226.85

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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.