Home / 68,368.08-94,367.75-39,694.17

Finding the Fourth Proportional to 68,368.08, 94,367.75 and 39,694.17

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Solution

The fourth proportional to 68,368.08, 94,367.75 and 39,694.17 is: 54,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,368.08 : 94,367.75 = 39,694.17 : x
  2. Step 2: Convert to fraction form
    68,368.08/94,367.75 = 39,694.17/x
  3. Step 3: Cross multiply
    68,368.08x = 94,367.75 × 39,694.17
  4. Step 4: Simplify right side
    68,368.08x = 3,745,849,312.55
  5. Step 5: Solve for x
    x = 3,745,849,312.55/68,368.08
  6. Step 6: Final answer
    x = 54,789.45

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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.