Home / 75,016.35-103,532.36-43,186.59

Finding the Fourth Proportional to 75,016.35, 103,532.36 and 43,186.59

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Solution

The fourth proportional to 75,016.35, 103,532.36 and 43,186.59 is: 59,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.35 : 103,532.36 = 43,186.59 : x
  2. Step 2: Convert to fraction form
    75,016.35/103,532.36 = 43,186.59/x
  3. Step 3: Cross multiply
    75,016.35x = 103,532.36 × 43,186.59
  4. Step 4: Simplify right side
    75,016.35x = 4,471,209,367.12
  5. Step 5: Solve for x
    x = 4,471,209,367.12/75,016.35
  6. Step 6: Final answer
    x = 59,603.13

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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.