Home / 74,972.58-103,449.15-46,308.30

Finding the Fourth Proportional to 74,972.58, 103,449.15 and 46,308.30

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Solution

The fourth proportional to 74,972.58, 103,449.15 and 46,308.30 is: 63,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.58 : 103,449.15 = 46,308.30 : x
  2. Step 2: Convert to fraction form
    74,972.58/103,449.15 = 46,308.30/x
  3. Step 3: Cross multiply
    74,972.58x = 103,449.15 × 46,308.30
  4. Step 4: Simplify right side
    74,972.58x = 4,790,554,272.95
  5. Step 5: Solve for x
    x = 4,790,554,272.95/74,972.58
  6. Step 6: Final answer
    x = 63,897.42

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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.