Home / 86,722.42-119,696.94-56,455.03

Finding the Fourth Proportional to 86,722.42, 119,696.94 and 56,455.03

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Solution

The fourth proportional to 86,722.42, 119,696.94 and 56,455.03 is: 77,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,722.42 : 119,696.94 = 56,455.03 : x
  2. Step 2: Convert to fraction form
    86,722.42/119,696.94 = 56,455.03/x
  3. Step 3: Cross multiply
    86,722.42x = 119,696.94 × 56,455.03
  4. Step 4: Simplify right side
    86,722.42x = 6,757,493,814.93
  5. Step 5: Solve for x
    x = 6,757,493,814.93/86,722.42
  6. Step 6: Final answer
    x = 77,920.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.