Home / 53,827.62-80,655.32-45,905.22

Finding the Fourth Proportional to 53,827.62, 80,655.32 and 45,905.22

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Solution

The fourth proportional to 53,827.62, 80,655.32 and 45,905.22 is: 68,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,827.62 : 80,655.32 = 45,905.22 : x
  2. Step 2: Convert to fraction form
    53,827.62/80,655.32 = 45,905.22/x
  3. Step 3: Cross multiply
    53,827.62x = 80,655.32 × 45,905.22
  4. Step 4: Simplify right side
    53,827.62x = 3,702,499,898.43
  5. Step 5: Solve for x
    x = 3,702,499,898.43/53,827.62
  6. Step 6: Final answer
    x = 68,784.38

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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.