Home / 79,784.35-110,100.96-43,486.16

Finding the Fourth Proportional to 79,784.35, 110,100.96 and 43,486.16

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Solution

The fourth proportional to 79,784.35, 110,100.96 and 43,486.16 is: 60,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,784.35 : 110,100.96 = 43,486.16 : x
  2. Step 2: Convert to fraction form
    79,784.35/110,100.96 = 43,486.16/x
  3. Step 3: Cross multiply
    79,784.35x = 110,100.96 × 43,486.16
  4. Step 4: Simplify right side
    79,784.35x = 4,787,867,412.21
  5. Step 5: Solve for x
    x = 4,787,867,412.21/79,784.35
  6. Step 6: Final answer
    x = 60,010.11

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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.