Home / 53,623.51-80,449.84-18,565.90

Finding the Fourth Proportional to 53,623.51, 80,449.84 and 18,565.90

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Solution

The fourth proportional to 53,623.51, 80,449.84 and 18,565.90 is: 27,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,623.51 : 80,449.84 = 18,565.90 : x
  2. Step 2: Convert to fraction form
    53,623.51/80,449.84 = 18,565.90/x
  3. Step 3: Cross multiply
    53,623.51x = 80,449.84 × 18,565.90
  4. Step 4: Simplify right side
    53,623.51x = 1,493,623,684.46
  5. Step 5: Solve for x
    x = 1,493,623,684.46/53,623.51
  6. Step 6: Final answer
    x = 27,853.90

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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.