Home / 74,895.77-103,308.70-56,951.43

Finding the Fourth Proportional to 74,895.77, 103,308.70 and 56,951.43

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Solution

The fourth proportional to 74,895.77, 103,308.70 and 56,951.43 is: 78,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895.77 : 103,308.70 = 56,951.43 : x
  2. Step 2: Convert to fraction form
    74,895.77/103,308.70 = 56,951.43/x
  3. Step 3: Cross multiply
    74,895.77x = 103,308.70 × 56,951.43
  4. Step 4: Simplify right side
    74,895.77x = 5,883,578,196.44
  5. Step 5: Solve for x
    x = 5,883,578,196.44/74,895.77
  6. Step 6: Final answer
    x = 78,556.88

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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.