Home / 71,110.46-98,130.20-38,844.56

Finding the Fourth Proportional to 71,110.46, 98,130.20 and 38,844.56

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Solution

The fourth proportional to 71,110.46, 98,130.20 and 38,844.56 is: 53,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,110.46 : 98,130.20 = 38,844.56 : x
  2. Step 2: Convert to fraction form
    71,110.46/98,130.20 = 38,844.56/x
  3. Step 3: Cross multiply
    71,110.46x = 98,130.20 × 38,844.56
  4. Step 4: Simplify right side
    71,110.46x = 3,811,823,756.84
  5. Step 5: Solve for x
    x = 3,811,823,756.84/71,110.46
  6. Step 6: Final answer
    x = 53,604.27

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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.