Home / 68,707.12-94,814.16-38,493.70

Finding the Fourth Proportional to 68,707.12, 94,814.16 and 38,493.70

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Solution

The fourth proportional to 68,707.12, 94,814.16 and 38,493.70 is: 53,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,707.12 : 94,814.16 = 38,493.70 : x
  2. Step 2: Convert to fraction form
    68,707.12/94,814.16 = 38,493.70/x
  3. Step 3: Cross multiply
    68,707.12x = 94,814.16 × 38,493.70
  4. Step 4: Simplify right side
    68,707.12x = 3,649,747,830.79
  5. Step 5: Solve for x
    x = 3,649,747,830.79/68,707.12
  6. Step 6: Final answer
    x = 53,120.37

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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.