Home / 64,712.72-89,320.19-50,369.24

Finding the Fourth Proportional to 64,712.72, 89,320.19 and 50,369.24

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Solution

The fourth proportional to 64,712.72, 89,320.19 and 50,369.24 is: 69,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712.72 : 89,320.19 = 50,369.24 : x
  2. Step 2: Convert to fraction form
    64,712.72/89,320.19 = 50,369.24/x
  3. Step 3: Cross multiply
    64,712.72x = 89,320.19 × 50,369.24
  4. Step 4: Simplify right side
    64,712.72x = 4,498,990,086.96
  5. Step 5: Solve for x
    x = 4,498,990,086.96/64,712.72
  6. Step 6: Final answer
    x = 69,522.50

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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.