Home / 68,207.63-94,139.60-38,399.63

Finding the Fourth Proportional to 68,207.63, 94,139.60 and 38,399.63

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Solution

The fourth proportional to 68,207.63, 94,139.60 and 38,399.63 is: 52,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,207.63 : 94,139.60 = 38,399.63 : x
  2. Step 2: Convert to fraction form
    68,207.63/94,139.60 = 38,399.63/x
  3. Step 3: Cross multiply
    68,207.63x = 94,139.60 × 38,399.63
  4. Step 4: Simplify right side
    68,207.63x = 3,614,925,145.65
  5. Step 5: Solve for x
    x = 3,614,925,145.65/68,207.63
  6. Step 6: Final answer
    x = 52,998.84

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1.5x scale

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.