Home / 65,932.24-90,933.60-57,957.52

Finding the Fourth Proportional to 65,932.24, 90,933.60 and 57,957.52

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Solution

The fourth proportional to 65,932.24, 90,933.60 and 57,957.52 is: 79,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,932.24 : 90,933.60 = 57,957.52 : x
  2. Step 2: Convert to fraction form
    65,932.24/90,933.60 = 57,957.52/x
  3. Step 3: Cross multiply
    65,932.24x = 90,933.60 × 57,957.52
  4. Step 4: Simplify right side
    65,932.24x = 5,270,285,940.67
  5. Step 5: Solve for x
    x = 5,270,285,940.67/65,932.24
  6. Step 6: Final answer
    x = 79,934.88

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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.