Home / 68,713.08-94,816.62-50,818.20

Finding the Fourth Proportional to 68,713.08, 94,816.62 and 50,818.20

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Solution

The fourth proportional to 68,713.08, 94,816.62 and 50,818.20 is: 70,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,713.08 : 94,816.62 = 50,818.20 : x
  2. Step 2: Convert to fraction form
    68,713.08/94,816.62 = 50,818.20/x
  3. Step 3: Cross multiply
    68,713.08x = 94,816.62 × 50,818.20
  4. Step 4: Simplify right side
    68,713.08x = 4,818,409,958.48
  5. Step 5: Solve for x
    x = 4,818,409,958.48/68,713.08
  6. Step 6: Final answer
    x = 70,123.62

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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.