Home / 66,524.06-99,749.43-45,487.82

Finding the Fourth Proportional to 66,524.06, 99,749.43 and 45,487.82

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Solution

The fourth proportional to 66,524.06, 99,749.43 and 45,487.82 is: 68,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.06 : 99,749.43 = 45,487.82 : x
  2. Step 2: Convert to fraction form
    66,524.06/99,749.43 = 45,487.82/x
  3. Step 3: Cross multiply
    66,524.06x = 99,749.43 × 45,487.82
  4. Step 4: Simplify right side
    66,524.06x = 4,537,383,618.20
  5. Step 5: Solve for x
    x = 4,537,383,618.20/66,524.06
  6. Step 6: Final answer
    x = 68,206.66

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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.