Home / 77,739.04-107,324.49-52,282.36

Finding the Fourth Proportional to 77,739.04, 107,324.49 and 52,282.36

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Solution

The fourth proportional to 77,739.04, 107,324.49 and 52,282.36 is: 72,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,739.04 : 107,324.49 = 52,282.36 : x
  2. Step 2: Convert to fraction form
    77,739.04/107,324.49 = 52,282.36/x
  3. Step 3: Cross multiply
    77,739.04x = 107,324.49 × 52,282.36
  4. Step 4: Simplify right side
    77,739.04x = 5,611,177,623.00
  5. Step 5: Solve for x
    x = 5,611,177,623.00/77,739.04
  6. Step 6: Final answer
    x = 72,179.66

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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.