Home / 66,939.34-100,211.72-58,635.58

Finding the Fourth Proportional to 66,939.34, 100,211.72 and 58,635.58

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Solution

The fourth proportional to 66,939.34, 100,211.72 and 58,635.58 is: 87,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.34 : 100,211.72 = 58,635.58 : x
  2. Step 2: Convert to fraction form
    66,939.34/100,211.72 = 58,635.58/x
  3. Step 3: Cross multiply
    66,939.34x = 100,211.72 × 58,635.58
  4. Step 4: Simplify right side
    66,939.34x = 5,875,972,325.00
  5. Step 5: Solve for x
    x = 5,875,972,325.00/66,939.34
  6. Step 6: Final answer
    x = 87,780.55

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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.