Home / 77,370.85-116,089.69-41,857.19

Finding the Fourth Proportional to 77,370.85, 116,089.69 and 41,857.19

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Solution

The fourth proportional to 77,370.85, 116,089.69 and 41,857.19 is: 62,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,370.85 : 116,089.69 = 41,857.19 : x
  2. Step 2: Convert to fraction form
    77,370.85/116,089.69 = 41,857.19/x
  3. Step 3: Cross multiply
    77,370.85x = 116,089.69 × 41,857.19
  4. Step 4: Simplify right side
    77,370.85x = 4,859,188,040.10
  5. Step 5: Solve for x
    x = 4,859,188,040.10/77,370.85
  6. Step 6: Final answer
    x = 62,803.86

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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.