Home / 73,133.13-109,699.69-17,729.13

Finding the Fourth Proportional to 73,133.13, 109,699.69 and 17,729.13

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Solution

The fourth proportional to 73,133.13, 109,699.69 and 17,729.13 is: 26,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,133.13 : 109,699.69 = 17,729.13 : x
  2. Step 2: Convert to fraction form
    73,133.13/109,699.69 = 17,729.13/x
  3. Step 3: Cross multiply
    73,133.13x = 109,699.69 × 17,729.13
  4. Step 4: Simplify right side
    73,133.13x = 1,944,880,064.97
  5. Step 5: Solve for x
    x = 1,944,880,064.97/73,133.13
  6. Step 6: Final answer
    x = 26,593.69

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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.