Home / 93,934.31-129,634.65-55,716.48

Finding the Fourth Proportional to 93,934.31, 129,634.65 and 55,716.48

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Solution

The fourth proportional to 93,934.31, 129,634.65 and 55,716.48 is: 76,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,934.31 : 129,634.65 = 55,716.48 : x
  2. Step 2: Convert to fraction form
    93,934.31/129,634.65 = 55,716.48/x
  3. Step 3: Cross multiply
    93,934.31x = 129,634.65 × 55,716.48
  4. Step 4: Simplify right side
    93,934.31x = 7,222,786,384.03
  5. Step 5: Solve for x
    x = 7,222,786,384.03/93,934.31
  6. Step 6: Final answer
    x = 76,891.89

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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.