Home / 66,222.98-91,386.41-36,008.03

Finding the Fourth Proportional to 66,222.98, 91,386.41 and 36,008.03

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Solution

The fourth proportional to 66,222.98, 91,386.41 and 36,008.03 is: 49,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.98 : 91,386.41 = 36,008.03 : x
  2. Step 2: Convert to fraction form
    66,222.98/91,386.41 = 36,008.03/x
  3. Step 3: Cross multiply
    66,222.98x = 91,386.41 × 36,008.03
  4. Step 4: Simplify right side
    66,222.98x = 3,290,644,911.36
  5. Step 5: Solve for x
    x = 3,290,644,911.36/66,222.98
  6. Step 6: Final answer
    x = 49,690.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.