Home / 66,146.03-99,232.71-21,775.45

Finding the Fourth Proportional to 66,146.03, 99,232.71 and 21,775.45

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Solution

The fourth proportional to 66,146.03, 99,232.71 and 21,775.45 is: 32,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.03 : 99,232.71 = 21,775.45 : x
  2. Step 2: Convert to fraction form
    66,146.03/99,232.71 = 21,775.45/x
  3. Step 3: Cross multiply
    66,146.03x = 99,232.71 × 21,775.45
  4. Step 4: Simplify right side
    66,146.03x = 2,160,836,914.97
  5. Step 5: Solve for x
    x = 2,160,836,914.97/66,146.03
  6. Step 6: Final answer
    x = 32,667.67

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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.