Home / 79,582.21-109,823.50-43,774.94

Finding the Fourth Proportional to 79,582.21, 109,823.50 and 43,774.94

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Solution

The fourth proportional to 79,582.21, 109,823.50 and 43,774.94 is: 60,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,582.21 : 109,823.50 = 43,774.94 : x
  2. Step 2: Convert to fraction form
    79,582.21/109,823.50 = 43,774.94/x
  3. Step 3: Cross multiply
    79,582.21x = 109,823.50 × 43,774.94
  4. Step 4: Simplify right side
    79,582.21x = 4,807,517,123.09
  5. Step 5: Solve for x
    x = 4,807,517,123.09/79,582.21
  6. Step 6: Final answer
    x = 60,409.45

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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.