Home / 66,102.85-99,153.81-26,632.06

Finding the Fourth Proportional to 66,102.85, 99,153.81 and 26,632.06

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Solution

The fourth proportional to 66,102.85, 99,153.81 and 26,632.06 is: 39,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,102.85 : 99,153.81 = 26,632.06 : x
  2. Step 2: Convert to fraction form
    66,102.85/99,153.81 = 26,632.06/x
  3. Step 3: Cross multiply
    66,102.85x = 99,153.81 × 26,632.06
  4. Step 4: Simplify right side
    66,102.85x = 2,640,670,217.15
  5. Step 5: Solve for x
    x = 2,640,670,217.15/66,102.85
  6. Step 6: Final answer
    x = 39,947.90

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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.