Home / 68,119.58-94,007.21-42,617.76

Finding the Fourth Proportional to 68,119.58, 94,007.21 and 42,617.76

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Solution

The fourth proportional to 68,119.58, 94,007.21 and 42,617.76 is: 58,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,119.58 : 94,007.21 = 42,617.76 : x
  2. Step 2: Convert to fraction form
    68,119.58/94,007.21 = 42,617.76/x
  3. Step 3: Cross multiply
    68,119.58x = 94,007.21 × 42,617.76
  4. Step 4: Simplify right side
    68,119.58x = 4,006,376,500.96
  5. Step 5: Solve for x
    x = 4,006,376,500.96/68,119.58
  6. Step 6: Final answer
    x = 58,813.88

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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.