Home / 85,916.15-118,564.94-47,675.85

Finding the Fourth Proportional to 85,916.15, 118,564.94 and 47,675.85

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Solution

The fourth proportional to 85,916.15, 118,564.94 and 47,675.85 is: 65,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,916.15 : 118,564.94 = 47,675.85 : x
  2. Step 2: Convert to fraction form
    85,916.15/118,564.94 = 47,675.85/x
  3. Step 3: Cross multiply
    85,916.15x = 118,564.94 × 47,675.85
  4. Step 4: Simplify right side
    85,916.15x = 5,652,684,294.70
  5. Step 5: Solve for x
    x = 5,652,684,294.70/85,916.15
  6. Step 6: Final answer
    x = 65,793.04

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Why These Related Problems?

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