Home / 74,166.32-102,272.82-51,530.96

Finding the Fourth Proportional to 74,166.32, 102,272.82 and 51,530.96

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Solution

The fourth proportional to 74,166.32, 102,272.82 and 51,530.96 is: 71,059.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.32 : 102,272.82 = 51,530.96 : x
  2. Step 2: Convert to fraction form
    74,166.32/102,272.82 = 51,530.96/x
  3. Step 3: Cross multiply
    74,166.32x = 102,272.82 × 51,530.96
  4. Step 4: Simplify right side
    74,166.32x = 5,270,216,596.51
  5. Step 5: Solve for x
    x = 5,270,216,596.51/74,166.32
  6. Step 6: Final answer
    x = 71,059.43

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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.