Home / 68,340.84-94,308.06-40,045.92

Finding the Fourth Proportional to 68,340.84, 94,308.06 and 40,045.92

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Solution

The fourth proportional to 68,340.84, 94,308.06 and 40,045.92 is: 55,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,340.84 : 94,308.06 = 40,045.92 : x
  2. Step 2: Convert to fraction form
    68,340.84/94,308.06 = 40,045.92/x
  3. Step 3: Cross multiply
    68,340.84x = 94,308.06 × 40,045.92
  4. Step 4: Simplify right side
    68,340.84x = 3,776,653,026.12
  5. Step 5: Solve for x
    x = 3,776,653,026.12/68,340.84
  6. Step 6: Final answer
    x = 55,262.02

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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.