Home / 71,048.87-98,046.97-38,783.36

Finding the Fourth Proportional to 71,048.87, 98,046.97 and 38,783.36

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Solution

The fourth proportional to 71,048.87, 98,046.97 and 38,783.36 is: 53,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048.87 : 98,046.97 = 38,783.36 : x
  2. Step 2: Convert to fraction form
    71,048.87/98,046.97 = 38,783.36/x
  3. Step 3: Cross multiply
    71,048.87x = 98,046.97 × 38,783.36
  4. Step 4: Simplify right side
    71,048.87x = 3,802,590,934.42
  5. Step 5: Solve for x
    x = 3,802,590,934.42/71,048.87
  6. Step 6: Final answer
    x = 53,520.78

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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.