Home / 74,846.27-103,290-40,856.87

Finding the Fourth Proportional to 74,846.27, 103,290 and 40,856.87

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Solution

The fourth proportional to 74,846.27, 103,290 and 40,856.87 is: 56,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,846.27 : 103,290 = 40,856.87 : x
  2. Step 2: Convert to fraction form
    74,846.27/103,290 = 40,856.87/x
  3. Step 3: Cross multiply
    74,846.27x = 103,290 × 40,856.87
  4. Step 4: Simplify right side
    74,846.27x = 4,220,106,102.30
  5. Step 5: Solve for x
    x = 4,220,106,102.30/74,846.27
  6. Step 6: Final answer
    x = 56,383.65

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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.