Home / 74,972.07-103,464.24-40,982.86

Finding the Fourth Proportional to 74,972.07, 103,464.24 and 40,982.86

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Solution

The fourth proportional to 74,972.07, 103,464.24 and 40,982.86 is: 56,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.07 : 103,464.24 = 40,982.86 : x
  2. Step 2: Convert to fraction form
    74,972.07/103,464.24 = 40,982.86/x
  3. Step 3: Cross multiply
    74,972.07x = 103,464.24 × 40,982.86
  4. Step 4: Simplify right side
    74,972.07x = 4,240,260,438.57
  5. Step 5: Solve for x
    x = 4,240,260,438.57/74,972.07
  6. Step 6: Final answer
    x = 56,557.87

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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.