Home / 74,858.66-103,306.83-42,591.50

Finding the Fourth Proportional to 74,858.66, 103,306.83 and 42,591.50

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Solution

The fourth proportional to 74,858.66, 103,306.83 and 42,591.50 is: 58,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,858.66 : 103,306.83 = 42,591.50 : x
  2. Step 2: Convert to fraction form
    74,858.66/103,306.83 = 42,591.50/x
  3. Step 3: Cross multiply
    74,858.66x = 103,306.83 × 42,591.50
  4. Step 4: Simplify right side
    74,858.66x = 4,399,992,849.95
  5. Step 5: Solve for x
    x = 4,399,992,849.95/74,858.66
  6. Step 6: Final answer
    x = 58,777.34

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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.