Home / 56,989.20-78,600.26-53,169.52

Finding the Fourth Proportional to 56,989.20, 78,600.26 and 53,169.52

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Solution

The fourth proportional to 56,989.20, 78,600.26 and 53,169.52 is: 73,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,989.20 : 78,600.26 = 53,169.52 : x
  2. Step 2: Convert to fraction form
    56,989.20/78,600.26 = 53,169.52/x
  3. Step 3: Cross multiply
    56,989.20x = 78,600.26 × 53,169.52
  4. Step 4: Simplify right side
    56,989.20x = 4,179,138,096.08
  5. Step 5: Solve for x
    x = 4,179,138,096.08/56,989.20
  6. Step 6: Final answer
    x = 73,332.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.