Home / 75,098.69-103,635.68-43,266.90

Finding the Fourth Proportional to 75,098.69, 103,635.68 and 43,266.90

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Solution

The fourth proportional to 75,098.69, 103,635.68 and 43,266.90 is: 59,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,098.69 : 103,635.68 = 43,266.90 : x
  2. Step 2: Convert to fraction form
    75,098.69/103,635.68 = 43,266.90/x
  3. Step 3: Cross multiply
    75,098.69x = 103,635.68 × 43,266.90
  4. Step 4: Simplify right side
    75,098.69x = 4,483,994,386.66
  5. Step 5: Solve for x
    x = 4,483,994,386.66/75,098.69
  6. Step 6: Final answer
    x = 59,708.03

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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.