Home / 78,683.11-118,059.54-41,234.28

Finding the Fourth Proportional to 78,683.11, 118,059.54 and 41,234.28

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Solution

The fourth proportional to 78,683.11, 118,059.54 and 41,234.28 is: 61,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,683.11 : 118,059.54 = 41,234.28 : x
  2. Step 2: Convert to fraction form
    78,683.11/118,059.54 = 41,234.28/x
  3. Step 3: Cross multiply
    78,683.11x = 118,059.54 × 41,234.28
  4. Step 4: Simplify right side
    78,683.11x = 4,868,099,693.36
  5. Step 5: Solve for x
    x = 4,868,099,693.36/78,683.11
  6. Step 6: Final answer
    x = 61,869.69

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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.