Home / 68,740.45-94,834.40-40,055.82

Finding the Fourth Proportional to 68,740.45, 94,834.40 and 40,055.82

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Solution

The fourth proportional to 68,740.45, 94,834.40 and 40,055.82 is: 55,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,740.45 : 94,834.40 = 40,055.82 : x
  2. Step 2: Convert to fraction form
    68,740.45/94,834.40 = 40,055.82/x
  3. Step 3: Cross multiply
    68,740.45x = 94,834.40 × 40,055.82
  4. Step 4: Simplify right side
    68,740.45x = 3,798,669,100.30
  5. Step 5: Solve for x
    x = 3,798,669,100.30/68,740.45
  6. Step 6: Final answer
    x = 55,261.05

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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.