Home / 79,166.12-109,246.79-43,355.21

Finding the Fourth Proportional to 79,166.12, 109,246.79 and 43,355.21

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Solution

The fourth proportional to 79,166.12, 109,246.79 and 43,355.21 is: 59,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.12 : 109,246.79 = 43,355.21 : x
  2. Step 2: Convert to fraction form
    79,166.12/109,246.79 = 43,355.21/x
  3. Step 3: Cross multiply
    79,166.12x = 109,246.79 × 43,355.21
  4. Step 4: Simplify right side
    79,166.12x = 4,736,417,084.43
  5. Step 5: Solve for x
    x = 4,736,417,084.43/79,166.12
  6. Step 6: Final answer
    x = 59,828.84

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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.