Home / 77,392.81-116,089.22-61,908.85

Finding the Fourth Proportional to 77,392.81, 116,089.22 and 61,908.85

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Solution

The fourth proportional to 77,392.81, 116,089.22 and 61,908.85 is: 92,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392.81 : 116,089.22 = 61,908.85 : x
  2. Step 2: Convert to fraction form
    77,392.81/116,089.22 = 61,908.85/x
  3. Step 3: Cross multiply
    77,392.81x = 116,089.22 × 61,908.85
  4. Step 4: Simplify right side
    77,392.81x = 7,186,950,107.60
  5. Step 5: Solve for x
    x = 7,186,950,107.60/77,392.81
  6. Step 6: Final answer
    x = 92,863.28

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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.