Home / 73,088.46-109,623.58-20,502.05

Finding the Fourth Proportional to 73,088.46, 109,623.58 and 20,502.05

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Solution

The fourth proportional to 73,088.46, 109,623.58 and 20,502.05 is: 30,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,088.46 : 109,623.58 = 20,502.05 : x
  2. Step 2: Convert to fraction form
    73,088.46/109,623.58 = 20,502.05/x
  3. Step 3: Cross multiply
    73,088.46x = 109,623.58 × 20,502.05
  4. Step 4: Simplify right side
    73,088.46x = 2,247,507,518.97
  5. Step 5: Solve for x
    x = 2,247,507,518.97/73,088.46
  6. Step 6: Final answer
    x = 30,750.51

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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.