Home / 66,209.34-99,318.87-26,765.58

Finding the Fourth Proportional to 66,209.34, 99,318.87 and 26,765.58

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Solution

The fourth proportional to 66,209.34, 99,318.87 and 26,765.58 is: 40,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.34 : 99,318.87 = 26,765.58 : x
  2. Step 2: Convert to fraction form
    66,209.34/99,318.87 = 26,765.58/x
  3. Step 3: Cross multiply
    66,209.34x = 99,318.87 × 26,765.58
  4. Step 4: Simplify right side
    66,209.34x = 2,658,327,160.49
  5. Step 5: Solve for x
    x = 2,658,327,160.49/66,209.34
  6. Step 6: Final answer
    x = 40,150.33

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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.