Home / 53,940.81-80,908.30-16,500.89

Finding the Fourth Proportional to 53,940.81, 80,908.30 and 16,500.89

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Solution

The fourth proportional to 53,940.81, 80,908.30 and 16,500.89 is: 24,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.81 : 80,908.30 = 16,500.89 : x
  2. Step 2: Convert to fraction form
    53,940.81/80,908.30 = 16,500.89/x
  3. Step 3: Cross multiply
    53,940.81x = 80,908.30 × 16,500.89
  4. Step 4: Simplify right side
    53,940.81x = 1,335,058,574.47
  5. Step 5: Solve for x
    x = 1,335,058,574.47/53,940.81
  6. Step 6: Final answer
    x = 24,750.44

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1.5x scale

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.