Home / 66,600.11-99,900.16-27,160.29

Finding the Fourth Proportional to 66,600.11, 99,900.16 and 27,160.29

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Solution

The fourth proportional to 66,600.11, 99,900.16 and 27,160.29 is: 40,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,600.11 : 99,900.16 = 27,160.29 : x
  2. Step 2: Convert to fraction form
    66,600.11/99,900.16 = 27,160.29/x
  3. Step 3: Cross multiply
    66,600.11x = 99,900.16 × 27,160.29
  4. Step 4: Simplify right side
    66,600.11x = 2,713,317,316.65
  5. Step 5: Solve for x
    x = 2,713,317,316.65/66,600.11
  6. Step 6: Final answer
    x = 40,740.43

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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.