Home / 79,988.22-120,004.58-35,001.56

Finding the Fourth Proportional to 79,988.22, 120,004.58 and 35,001.56

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Solution

The fourth proportional to 79,988.22, 120,004.58 and 35,001.56 is: 52,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,988.22 : 120,004.58 = 35,001.56 : x
  2. Step 2: Convert to fraction form
    79,988.22/120,004.58 = 35,001.56/x
  3. Step 3: Cross multiply
    79,988.22x = 120,004.58 × 35,001.56
  4. Step 4: Simplify right side
    79,988.22x = 4,200,347,507.14
  5. Step 5: Solve for x
    x = 4,200,347,507.14/79,988.22
  6. Step 6: Final answer
    x = 52,512.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.