Home / 57,929.50-86,701.38-43,811.74

Finding the Fourth Proportional to 57,929.50, 86,701.38 and 43,811.74

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Solution

The fourth proportional to 57,929.50, 86,701.38 and 43,811.74 is: 65,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.50 : 86,701.38 = 43,811.74 : x
  2. Step 2: Convert to fraction form
    57,929.50/86,701.38 = 43,811.74/x
  3. Step 3: Cross multiply
    57,929.50x = 86,701.38 × 43,811.74
  4. Step 4: Simplify right side
    57,929.50x = 3,798,538,318.20
  5. Step 5: Solve for x
    x = 3,798,538,318.20/57,929.50
  6. Step 6: Final answer
    x = 65,571.74

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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.