Home / 77,535.84-116,332.92-30,821.52

Finding the Fourth Proportional to 77,535.84, 116,332.92 and 30,821.52

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Solution

The fourth proportional to 77,535.84, 116,332.92 and 30,821.52 is: 46,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,535.84 : 116,332.92 = 30,821.52 : x
  2. Step 2: Convert to fraction form
    77,535.84/116,332.92 = 30,821.52/x
  3. Step 3: Cross multiply
    77,535.84x = 116,332.92 × 30,821.52
  4. Step 4: Simplify right side
    77,535.84x = 3,585,557,420.44
  5. Step 5: Solve for x
    x = 3,585,557,420.44/77,535.84
  6. Step 6: Final answer
    x = 46,243.87

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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.