Home / 80,536.74-111,142.20-44,730.10

Finding the Fourth Proportional to 80,536.74, 111,142.20 and 44,730.10

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Solution

The fourth proportional to 80,536.74, 111,142.20 and 44,730.10 is: 61,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536.74 : 111,142.20 = 44,730.10 : x
  2. Step 2: Convert to fraction form
    80,536.74/111,142.20 = 44,730.10/x
  3. Step 3: Cross multiply
    80,536.74x = 111,142.20 × 44,730.10
  4. Step 4: Simplify right side
    80,536.74x = 4,971,401,720.22
  5. Step 5: Solve for x
    x = 4,971,401,720.22/80,536.74
  6. Step 6: Final answer
    x = 61,728.37

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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.