Home / 79,575.81-119,338.40-26,257.85

Finding the Fourth Proportional to 79,575.81, 119,338.40 and 26,257.85

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Solution

The fourth proportional to 79,575.81, 119,338.40 and 26,257.85 is: 39,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.81 : 119,338.40 = 26,257.85 : x
  2. Step 2: Convert to fraction form
    79,575.81/119,338.40 = 26,257.85/x
  3. Step 3: Cross multiply
    79,575.81x = 119,338.40 × 26,257.85
  4. Step 4: Simplify right side
    79,575.81x = 3,133,569,973.50
  5. Step 5: Solve for x
    x = 3,133,569,973.50/79,575.81
  6. Step 6: Final answer
    x = 39,378.42

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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.