Home / 87,350.04-120,536.22-56,668.44

Finding the Fourth Proportional to 87,350.04, 120,536.22 and 56,668.44

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Solution

The fourth proportional to 87,350.04, 120,536.22 and 56,668.44 is: 78,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,350.04 : 120,536.22 = 56,668.44 : x
  2. Step 2: Convert to fraction form
    87,350.04/120,536.22 = 56,668.44/x
  3. Step 3: Cross multiply
    87,350.04x = 120,536.22 × 56,668.44
  4. Step 4: Simplify right side
    87,350.04x = 6,830,599,550.90
  5. Step 5: Solve for x
    x = 6,830,599,550.90/87,350.04
  6. Step 6: Final answer
    x = 78,198.01

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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.