Home / 74,801.18-103,662.34-73,381.88

Finding the Fourth Proportional to 74,801.18, 103,662.34 and 73,381.88

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Solution

The fourth proportional to 74,801.18, 103,662.34 and 73,381.88 is: 101,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,801.18 : 103,662.34 = 73,381.88 : x
  2. Step 2: Convert to fraction form
    74,801.18/103,662.34 = 73,381.88/x
  3. Step 3: Cross multiply
    74,801.18x = 103,662.34 × 73,381.88
  4. Step 4: Simplify right side
    74,801.18x = 7,606,937,394.40
  5. Step 5: Solve for x
    x = 7,606,937,394.40/74,801.18
  6. Step 6: Final answer
    x = 101,695.42

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.