Home / 53,911.40-80,867.10-50,849.60

Finding the Fourth Proportional to 53,911.40, 80,867.10 and 50,849.60

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Solution

The fourth proportional to 53,911.40, 80,867.10 and 50,849.60 is: 76,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.40 : 80,867.10 = 50,849.60 : x
  2. Step 2: Convert to fraction form
    53,911.40/80,867.10 = 50,849.60/x
  3. Step 3: Cross multiply
    53,911.40x = 80,867.10 × 50,849.60
  4. Step 4: Simplify right side
    53,911.40x = 4,112,059,688.16
  5. Step 5: Solve for x
    x = 4,112,059,688.16/53,911.40
  6. Step 6: Final answer
    x = 76,274.40

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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.