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Finding the Fourth Proportional to 66,330.25, 91,537.70 and 37,649.34

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Solution

The fourth proportional to 66,330.25, 91,537.70 and 37,649.34 is: 51,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.25 : 91,537.70 = 37,649.34 : x
  2. Step 2: Convert to fraction form
    66,330.25/91,537.70 = 37,649.34/x
  3. Step 3: Cross multiply
    66,330.25x = 91,537.70 × 37,649.34
  4. Step 4: Simplify right side
    66,330.25x = 3,446,333,801.87
  5. Step 5: Solve for x
    x = 3,446,333,801.87/66,330.25
  6. Step 6: Final answer
    x = 51,957.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.