Home / 85,013.15-117,318.15-46,771.89

Finding the Fourth Proportional to 85,013.15, 117,318.15 and 46,771.89

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Solution

The fourth proportional to 85,013.15, 117,318.15 and 46,771.89 is: 64,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,013.15 : 117,318.15 = 46,771.89 : x
  2. Step 2: Convert to fraction form
    85,013.15/117,318.15 = 46,771.89/x
  3. Step 3: Cross multiply
    85,013.15x = 117,318.15 × 46,771.89
  4. Step 4: Simplify right side
    85,013.15x = 5,487,191,365.27
  5. Step 5: Solve for x
    x = 5,487,191,365.27/85,013.15
  6. Step 6: Final answer
    x = 64,545.20

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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.