Home / 66,610.20-99,915.30-37,013.88

Finding the Fourth Proportional to 66,610.20, 99,915.30 and 37,013.88

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Solution

The fourth proportional to 66,610.20, 99,915.30 and 37,013.88 is: 55,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,610.20 : 99,915.30 = 37,013.88 : x
  2. Step 2: Convert to fraction form
    66,610.20/99,915.30 = 37,013.88/x
  3. Step 3: Cross multiply
    66,610.20x = 99,915.30 × 37,013.88
  4. Step 4: Simplify right side
    66,610.20x = 3,698,252,924.36
  5. Step 5: Solve for x
    x = 3,698,252,924.36/66,610.20
  6. Step 6: Final answer
    x = 55,520.82

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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.