Home / 79,397.44-109,561.56-43,587.40

Finding the Fourth Proportional to 79,397.44, 109,561.56 and 43,587.40

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Solution

The fourth proportional to 79,397.44, 109,561.56 and 43,587.40 is: 60,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,397.44 : 109,561.56 = 43,587.40 : x
  2. Step 2: Convert to fraction form
    79,397.44/109,561.56 = 43,587.40/x
  3. Step 3: Cross multiply
    79,397.44x = 109,561.56 × 43,587.40
  4. Step 4: Simplify right side
    79,397.44x = 4,775,503,540.34
  5. Step 5: Solve for x
    x = 4,775,503,540.34/79,397.44
  6. Step 6: Final answer
    x = 60,146.82

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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.