Home / 66,125.35-99,186-16,205.59

Finding the Fourth Proportional to 66,125.35, 99,186 and 16,205.59

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Solution

The fourth proportional to 66,125.35, 99,186 and 16,205.59 is: 24,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.35 : 99,186 = 16,205.59 : x
  2. Step 2: Convert to fraction form
    66,125.35/99,186 = 16,205.59/x
  3. Step 3: Cross multiply
    66,125.35x = 99,186 × 16,205.59
  4. Step 4: Simplify right side
    66,125.35x = 1,607,367,649.74
  5. Step 5: Solve for x
    x = 1,607,367,649.74/66,125.35
  6. Step 6: Final answer
    x = 24,307.89

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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.