Home / 66,172.70-99,257.22-26,212.56

Finding the Fourth Proportional to 66,172.70, 99,257.22 and 26,212.56

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Solution

The fourth proportional to 66,172.70, 99,257.22 and 26,212.56 is: 39,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,172.70 : 99,257.22 = 26,212.56 : x
  2. Step 2: Convert to fraction form
    66,172.70/99,257.22 = 26,212.56/x
  3. Step 3: Cross multiply
    66,172.70x = 99,257.22 × 26,212.56
  4. Step 4: Simplify right side
    66,172.70x = 2,601,786,094.51
  5. Step 5: Solve for x
    x = 2,601,786,094.51/66,172.70
  6. Step 6: Final answer
    x = 39,318.12

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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.