Home / 53,533.10-80,336.64-18,472.88

Finding the Fourth Proportional to 53,533.10, 80,336.64 and 18,472.88

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Solution

The fourth proportional to 53,533.10, 80,336.64 and 18,472.88 is: 27,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.10 : 80,336.64 = 18,472.88 : x
  2. Step 2: Convert to fraction form
    53,533.10/80,336.64 = 18,472.88/x
  3. Step 3: Cross multiply
    53,533.10x = 80,336.64 × 18,472.88
  4. Step 4: Simplify right side
    53,533.10x = 1,484,049,110.32
  5. Step 5: Solve for x
    x = 1,484,049,110.32/53,533.10
  6. Step 6: Final answer
    x = 27,722.08

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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.