Home / 87,072.24-120,169.62-58,835.64

Finding the Fourth Proportional to 87,072.24, 120,169.62 and 58,835.64

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Solution

The fourth proportional to 87,072.24, 120,169.62 and 58,835.64 is: 81,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,072.24 : 120,169.62 = 58,835.64 : x
  2. Step 2: Convert to fraction form
    87,072.24/120,169.62 = 58,835.64/x
  3. Step 3: Cross multiply
    87,072.24x = 120,169.62 × 58,835.64
  4. Step 4: Simplify right side
    87,072.24x = 7,070,256,501.26
  5. Step 5: Solve for x
    x = 7,070,256,501.26/87,072.24
  6. Step 6: Final answer
    x = 81,199.89

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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.