Home / 87,310.77-120,393.50-58,967.25

Finding the Fourth Proportional to 87,310.77, 120,393.50 and 58,967.25

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Solution

The fourth proportional to 87,310.77, 120,393.50 and 58,967.25 is: 81,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310.77 : 120,393.50 = 58,967.25 : x
  2. Step 2: Convert to fraction form
    87,310.77/120,393.50 = 58,967.25/x
  3. Step 3: Cross multiply
    87,310.77x = 120,393.50 × 58,967.25
  4. Step 4: Simplify right side
    87,310.77x = 7,099,273,612.88
  5. Step 5: Solve for x
    x = 7,099,273,612.88/87,310.77
  6. Step 6: Final answer
    x = 81,310.40

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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.