Home / 101,542.18-140,142.96-58,513.29

Finding the Fourth Proportional to 101,542.18, 140,142.96 and 58,513.29

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Solution

The fourth proportional to 101,542.18, 140,142.96 and 58,513.29 is: 80,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,542.18 : 140,142.96 = 58,513.29 : x
  2. Step 2: Convert to fraction form
    101,542.18/140,142.96 = 58,513.29/x
  3. Step 3: Cross multiply
    101,542.18x = 140,142.96 × 58,513.29
  4. Step 4: Simplify right side
    101,542.18x = 8,200,225,659.94
  5. Step 5: Solve for x
    x = 8,200,225,659.94/101,542.18
  6. Step 6: Final answer
    x = 80,756.84

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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.