Home / 73,041.28-109,574.04-25,644.08

Finding the Fourth Proportional to 73,041.28, 109,574.04 and 25,644.08

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Solution

The fourth proportional to 73,041.28, 109,574.04 and 25,644.08 is: 38,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,041.28 : 109,574.04 = 25,644.08 : x
  2. Step 2: Convert to fraction form
    73,041.28/109,574.04 = 25,644.08/x
  3. Step 3: Cross multiply
    73,041.28x = 109,574.04 × 25,644.08
  4. Step 4: Simplify right side
    73,041.28x = 2,809,925,447.68
  5. Step 5: Solve for x
    x = 2,809,925,447.68/73,041.28
  6. Step 6: Final answer
    x = 38,470.38

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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.