Home / 68,400.27-94,431.63-52,139.92

Finding the Fourth Proportional to 68,400.27, 94,431.63 and 52,139.92

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Solution

The fourth proportional to 68,400.27, 94,431.63 and 52,139.92 is: 71,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,400.27 : 94,431.63 = 52,139.92 : x
  2. Step 2: Convert to fraction form
    68,400.27/94,431.63 = 52,139.92/x
  3. Step 3: Cross multiply
    68,400.27x = 94,431.63 × 52,139.92
  4. Step 4: Simplify right side
    68,400.27x = 4,923,657,633.67
  5. Step 5: Solve for x
    x = 4,923,657,633.67/68,400.27
  6. Step 6: Final answer
    x = 71,983.01

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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.