Home / 68,429.12-94,423.80-38,216.08

Finding the Fourth Proportional to 68,429.12, 94,423.80 and 38,216.08

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Solution

The fourth proportional to 68,429.12, 94,423.80 and 38,216.08 is: 52,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,429.12 : 94,423.80 = 38,216.08 : x
  2. Step 2: Convert to fraction form
    68,429.12/94,423.80 = 38,216.08/x
  3. Step 3: Cross multiply
    68,429.12x = 94,423.80 × 38,216.08
  4. Step 4: Simplify right side
    68,429.12x = 3,608,507,494.70
  5. Step 5: Solve for x
    x = 3,608,507,494.70/68,429.12
  6. Step 6: Final answer
    x = 52,733.51

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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.