Home / 74,932.21-103,379.52-48,089.49

Finding the Fourth Proportional to 74,932.21, 103,379.52 and 48,089.49

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Solution

The fourth proportional to 74,932.21, 103,379.52 and 48,089.49 is: 66,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.21 : 103,379.52 = 48,089.49 : x
  2. Step 2: Convert to fraction form
    74,932.21/103,379.52 = 48,089.49/x
  3. Step 3: Cross multiply
    74,932.21x = 103,379.52 × 48,089.49
  4. Step 4: Simplify right side
    74,932.21x = 4,971,468,393.24
  5. Step 5: Solve for x
    x = 4,971,468,393.24/74,932.21
  6. Step 6: Final answer
    x = 66,346.21

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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.