Home / 66,049.29-99,072.79-26,605.40

Finding the Fourth Proportional to 66,049.29, 99,072.79 and 26,605.40

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Solution

The fourth proportional to 66,049.29, 99,072.79 and 26,605.40 is: 39,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049.29 : 99,072.79 = 26,605.40 : x
  2. Step 2: Convert to fraction form
    66,049.29/99,072.79 = 26,605.40/x
  3. Step 3: Cross multiply
    66,049.29x = 99,072.79 × 26,605.40
  4. Step 4: Simplify right side
    66,049.29x = 2,635,870,645.19
  5. Step 5: Solve for x
    x = 2,635,870,645.19/66,049.29
  6. Step 6: Final answer
    x = 39,907.63

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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.