Home / 75,020.03-103,540.37-43,207.35

Finding the Fourth Proportional to 75,020.03, 103,540.37 and 43,207.35

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Solution

The fourth proportional to 75,020.03, 103,540.37 and 43,207.35 is: 59,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.03 : 103,540.37 = 43,207.35 : x
  2. Step 2: Convert to fraction form
    75,020.03/103,540.37 = 43,207.35/x
  3. Step 3: Cross multiply
    75,020.03x = 103,540.37 × 43,207.35
  4. Step 4: Simplify right side
    75,020.03x = 4,473,705,005.72
  5. Step 5: Solve for x
    x = 4,473,705,005.72/75,020.03
  6. Step 6: Final answer
    x = 59,633.47

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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.