Home / 53,746.56-80,631.30-18,206.64

Finding the Fourth Proportional to 53,746.56, 80,631.30 and 18,206.64

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Solution

The fourth proportional to 53,746.56, 80,631.30 and 18,206.64 is: 27,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,746.56 : 80,631.30 = 18,206.64 : x
  2. Step 2: Convert to fraction form
    53,746.56/80,631.30 = 18,206.64/x
  3. Step 3: Cross multiply
    53,746.56x = 80,631.30 × 18,206.64
  4. Step 4: Simplify right side
    53,746.56x = 1,468,025,051.83
  5. Step 5: Solve for x
    x = 1,468,025,051.83/53,746.56
  6. Step 6: Final answer
    x = 27,313.84

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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.