Home / 53,300.46-79,960.44-26,660.40

Finding the Fourth Proportional to 53,300.46, 79,960.44 and 26,660.40

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Solution

The fourth proportional to 53,300.46, 79,960.44 and 26,660.40 is: 39,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,300.46 : 79,960.44 = 26,660.40 : x
  2. Step 2: Convert to fraction form
    53,300.46/79,960.44 = 26,660.40/x
  3. Step 3: Cross multiply
    53,300.46x = 79,960.44 × 26,660.40
  4. Step 4: Simplify right side
    53,300.46x = 2,131,777,314.58
  5. Step 5: Solve for x
    x = 2,131,777,314.58/53,300.46
  6. Step 6: Final answer
    x = 39,995.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.