Home / 75,102.22-103,666.94-43,283.80

Finding the Fourth Proportional to 75,102.22, 103,666.94 and 43,283.80

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Solution

The fourth proportional to 75,102.22, 103,666.94 and 43,283.80 is: 59,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,102.22 : 103,666.94 = 43,283.80 : x
  2. Step 2: Convert to fraction form
    75,102.22/103,666.94 = 43,283.80/x
  3. Step 3: Cross multiply
    75,102.22x = 103,666.94 × 43,283.80
  4. Step 4: Simplify right side
    75,102.22x = 4,487,099,097.57
  5. Step 5: Solve for x
    x = 4,487,099,097.57/75,102.22
  6. Step 6: Final answer
    x = 59,746.56

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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.