Home / 76,920.70-115,394.59-26,307.83

Finding the Fourth Proportional to 76,920.70, 115,394.59 and 26,307.83

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Solution

The fourth proportional to 76,920.70, 115,394.59 and 26,307.83 is: 39,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,920.70 : 115,394.59 = 26,307.83 : x
  2. Step 2: Convert to fraction form
    76,920.70/115,394.59 = 26,307.83/x
  3. Step 3: Cross multiply
    76,920.70x = 115,394.59 × 26,307.83
  4. Step 4: Simplify right side
    76,920.70x = 3,035,780,928.92
  5. Step 5: Solve for x
    x = 3,035,780,928.92/76,920.70
  6. Step 6: Final answer
    x = 39,466.37

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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.