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Finding the Fourth Proportional to 73,389.65, 110,084.27 and 20,799.59

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Solution

The fourth proportional to 73,389.65, 110,084.27 and 20,799.59 is: 31,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,389.65 : 110,084.27 = 20,799.59 : x
  2. Step 2: Convert to fraction form
    73,389.65/110,084.27 = 20,799.59/x
  3. Step 3: Cross multiply
    73,389.65x = 110,084.27 × 20,799.59
  4. Step 4: Simplify right side
    73,389.65x = 2,289,707,027.03
  5. Step 5: Solve for x
    x = 2,289,707,027.03/73,389.65
  6. Step 6: Final answer
    x = 31,199.32

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1.5x scale

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.