Home / 94,042.89-129,778.80-51,022.38

Finding the Fourth Proportional to 94,042.89, 129,778.80 and 51,022.38

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Solution

The fourth proportional to 94,042.89, 129,778.80 and 51,022.38 is: 70,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,042.89 : 129,778.80 = 51,022.38 : x
  2. Step 2: Convert to fraction form
    94,042.89/129,778.80 = 51,022.38/x
  3. Step 3: Cross multiply
    94,042.89x = 129,778.80 × 51,022.38
  4. Step 4: Simplify right side
    94,042.89x = 6,621,623,249.54
  5. Step 5: Solve for x
    x = 6,621,623,249.54/94,042.89
  6. Step 6: Final answer
    x = 70,410.67

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1.5x scale

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.