Home / 74,777.34-103,134.40-47,922.37

Finding the Fourth Proportional to 74,777.34, 103,134.40 and 47,922.37

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Solution

The fourth proportional to 74,777.34, 103,134.40 and 47,922.37 is: 66,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,777.34 : 103,134.40 = 47,922.37 : x
  2. Step 2: Convert to fraction form
    74,777.34/103,134.40 = 47,922.37/x
  3. Step 3: Cross multiply
    74,777.34x = 103,134.40 × 47,922.37
  4. Step 4: Simplify right side
    74,777.34x = 4,942,444,498.89
  5. Step 5: Solve for x
    x = 4,942,444,498.89/74,777.34
  6. Step 6: Final answer
    x = 66,095.48

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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.