Home / 54,260.02-81,390.99-19,199.86

Finding the Fourth Proportional to 54,260.02, 81,390.99 and 19,199.86

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Solution

The fourth proportional to 54,260.02, 81,390.99 and 19,199.86 is: 28,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,260.02 : 81,390.99 = 19,199.86 : x
  2. Step 2: Convert to fraction form
    54,260.02/81,390.99 = 19,199.86/x
  3. Step 3: Cross multiply
    54,260.02x = 81,390.99 × 19,199.86
  4. Step 4: Simplify right side
    54,260.02x = 1,562,695,613.26
  5. Step 5: Solve for x
    x = 1,562,695,613.26/54,260.02
  6. Step 6: Final answer
    x = 28,800.13

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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.