Home / 87,090.03-120,062.73-58,414.80

Finding the Fourth Proportional to 87,090.03, 120,062.73 and 58,414.80

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Solution

The fourth proportional to 87,090.03, 120,062.73 and 58,414.80 is: 80,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,090.03 : 120,062.73 = 58,414.80 : x
  2. Step 2: Convert to fraction form
    87,090.03/120,062.73 = 58,414.80/x
  3. Step 3: Cross multiply
    87,090.03x = 120,062.73 × 58,414.80
  4. Step 4: Simplify right side
    87,090.03x = 7,013,440,360.40
  5. Step 5: Solve for x
    x = 7,013,440,360.40/87,090.03
  6. Step 6: Final answer
    x = 80,530.92

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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.