Home / 66,515.48-99,775.38-34,917.56

Finding the Fourth Proportional to 66,515.48, 99,775.38 and 34,917.56

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Solution

The fourth proportional to 66,515.48, 99,775.38 and 34,917.56 is: 52,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515.48 : 99,775.38 = 34,917.56 : x
  2. Step 2: Convert to fraction form
    66,515.48/99,775.38 = 34,917.56/x
  3. Step 3: Cross multiply
    66,515.48x = 99,775.38 × 34,917.56
  4. Step 4: Simplify right side
    66,515.48x = 3,483,912,817.67
  5. Step 5: Solve for x
    x = 3,483,912,817.67/66,515.48
  6. Step 6: Final answer
    x = 52,377.47

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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.