Home / 73,123.41-109,671.24-35,645.79

Finding the Fourth Proportional to 73,123.41, 109,671.24 and 35,645.79

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Solution

The fourth proportional to 73,123.41, 109,671.24 and 35,645.79 is: 53,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123.41 : 109,671.24 = 35,645.79 : x
  2. Step 2: Convert to fraction form
    73,123.41/109,671.24 = 35,645.79/x
  3. Step 3: Cross multiply
    73,123.41x = 109,671.24 × 35,645.79
  4. Step 4: Simplify right side
    73,123.41x = 3,909,317,990.08
  5. Step 5: Solve for x
    x = 3,909,317,990.08/73,123.41
  6. Step 6: Final answer
    x = 53,461.92

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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.