Home / 85,905.36-118,549.14-48,180.42

Finding the Fourth Proportional to 85,905.36, 118,549.14 and 48,180.42

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Solution

The fourth proportional to 85,905.36, 118,549.14 and 48,180.42 is: 66,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905.36 : 118,549.14 = 48,180.42 : x
  2. Step 2: Convert to fraction form
    85,905.36/118,549.14 = 48,180.42/x
  3. Step 3: Cross multiply
    85,905.36x = 118,549.14 × 48,180.42
  4. Step 4: Simplify right side
    85,905.36x = 5,711,747,355.84
  5. Step 5: Solve for x
    x = 5,711,747,355.84/85,905.36
  6. Step 6: Final answer
    x = 66,488.84

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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.