Home / 68,418.24-94,417.60-40,124.48

Finding the Fourth Proportional to 68,418.24, 94,417.60 and 40,124.48

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Solution

The fourth proportional to 68,418.24, 94,417.60 and 40,124.48 is: 55,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,418.24 : 94,417.60 = 40,124.48 : x
  2. Step 2: Convert to fraction form
    68,418.24/94,417.60 = 40,124.48/x
  3. Step 3: Cross multiply
    68,418.24x = 94,417.60 × 40,124.48
  4. Step 4: Simplify right side
    68,418.24x = 3,788,457,102.85
  5. Step 5: Solve for x
    x = 3,788,457,102.85/68,418.24
  6. Step 6: Final answer
    x = 55,372.03

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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.