Home / 94,161.70-129,967.81-58,331.38

Finding the Fourth Proportional to 94,161.70, 129,967.81 and 58,331.38

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Solution

The fourth proportional to 94,161.70, 129,967.81 and 58,331.38 is: 80,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,161.70 : 129,967.81 = 58,331.38 : x
  2. Step 2: Convert to fraction form
    94,161.70/129,967.81 = 58,331.38/x
  3. Step 3: Cross multiply
    94,161.70x = 129,967.81 × 58,331.38
  4. Step 4: Simplify right side
    94,161.70x = 7,581,201,712.88
  5. Step 5: Solve for x
    x = 7,581,201,712.88/94,161.70
  6. Step 6: Final answer
    x = 80,512.58

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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.