Home / 68,908.41-95,102.40-42,045.21

Finding the Fourth Proportional to 68,908.41, 95,102.40 and 42,045.21

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Solution

The fourth proportional to 68,908.41, 95,102.40 and 42,045.21 is: 58,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,908.41 : 95,102.40 = 42,045.21 : x
  2. Step 2: Convert to fraction form
    68,908.41/95,102.40 = 42,045.21/x
  3. Step 3: Cross multiply
    68,908.41x = 95,102.40 × 42,045.21
  4. Step 4: Simplify right side
    68,908.41x = 3,998,600,379.50
  5. Step 5: Solve for x
    x = 3,998,600,379.50/68,908.41
  6. Step 6: Final answer
    x = 58,027.76

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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.