Home / 66,511.80-99,681.07-27,022.75

Finding the Fourth Proportional to 66,511.80, 99,681.07 and 27,022.75

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Solution

The fourth proportional to 66,511.80, 99,681.07 and 27,022.75 is: 40,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.80 : 99,681.07 = 27,022.75 : x
  2. Step 2: Convert to fraction form
    66,511.80/99,681.07 = 27,022.75/x
  3. Step 3: Cross multiply
    66,511.80x = 99,681.07 × 27,022.75
  4. Step 4: Simplify right side
    66,511.80x = 2,693,656,634.34
  5. Step 5: Solve for x
    x = 2,693,656,634.34/66,511.80
  6. Step 6: Final answer
    x = 40,498.93

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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.