Home / 53,773.12-80,666.96-18,708.24

Finding the Fourth Proportional to 53,773.12, 80,666.96 and 18,708.24

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Solution

The fourth proportional to 53,773.12, 80,666.96 and 18,708.24 is: 28,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,773.12 : 80,666.96 = 18,708.24 : x
  2. Step 2: Convert to fraction form
    53,773.12/80,666.96 = 18,708.24/x
  3. Step 3: Cross multiply
    53,773.12x = 80,666.96 × 18,708.24
  4. Step 4: Simplify right side
    53,773.12x = 1,509,136,847.75
  5. Step 5: Solve for x
    x = 1,509,136,847.75/53,773.12
  6. Step 6: Final answer
    x = 28,064.89

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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.