Home / 71,022.82-98,011.78-39,192.64

Finding the Fourth Proportional to 71,022.82, 98,011.78 and 39,192.64

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Solution

The fourth proportional to 71,022.82, 98,011.78 and 39,192.64 is: 54,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.82 : 98,011.78 = 39,192.64 : x
  2. Step 2: Convert to fraction form
    71,022.82/98,011.78 = 39,192.64/x
  3. Step 3: Cross multiply
    71,022.82x = 98,011.78 × 39,192.64
  4. Step 4: Simplify right side
    71,022.82x = 3,841,340,409.30
  5. Step 5: Solve for x
    x = 3,841,340,409.30/71,022.82
  6. Step 6: Final answer
    x = 54,086.00

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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.