Home / 75,139.14-103,693.63-41,149.06

Finding the Fourth Proportional to 75,139.14, 103,693.63 and 41,149.06

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Solution

The fourth proportional to 75,139.14, 103,693.63 and 41,149.06 is: 56,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139.14 : 103,693.63 = 41,149.06 : x
  2. Step 2: Convert to fraction form
    75,139.14/103,693.63 = 41,149.06/x
  3. Step 3: Cross multiply
    75,139.14x = 103,693.63 × 41,149.06
  4. Step 4: Simplify right side
    75,139.14x = 4,266,895,402.49
  5. Step 5: Solve for x
    x = 4,266,895,402.49/75,139.14
  6. Step 6: Final answer
    x = 56,786.59

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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.