Home / 72,933.76-109,412.16-25,561.92

Finding the Fourth Proportional to 72,933.76, 109,412.16 and 25,561.92

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Solution

The fourth proportional to 72,933.76, 109,412.16 and 25,561.92 is: 38,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,933.76 : 109,412.16 = 25,561.92 : x
  2. Step 2: Convert to fraction form
    72,933.76/109,412.16 = 25,561.92/x
  3. Step 3: Cross multiply
    72,933.76x = 109,412.16 × 25,561.92
  4. Step 4: Simplify right side
    72,933.76x = 2,796,784,880.95
  5. Step 5: Solve for x
    x = 2,796,784,880.95/72,933.76
  6. Step 6: Final answer
    x = 38,346.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.