Home / 77,828.25-116,756.97-36,275.25

Finding the Fourth Proportional to 77,828.25, 116,756.97 and 36,275.25

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Solution

The fourth proportional to 77,828.25, 116,756.97 and 36,275.25 is: 54,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,828.25 : 116,756.97 = 36,275.25 : x
  2. Step 2: Convert to fraction form
    77,828.25/116,756.97 = 36,275.25/x
  3. Step 3: Cross multiply
    77,828.25x = 116,756.97 × 36,275.25
  4. Step 4: Simplify right side
    77,828.25x = 4,235,388,275.99
  5. Step 5: Solve for x
    x = 4,235,388,275.99/77,828.25
  6. Step 6: Final answer
    x = 54,419.68

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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.