Home / 85,747.33-118,309.94-49,459.87

Finding the Fourth Proportional to 85,747.33, 118,309.94 and 49,459.87

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Solution

The fourth proportional to 85,747.33, 118,309.94 and 49,459.87 is: 68,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,747.33 : 118,309.94 = 49,459.87 : x
  2. Step 2: Convert to fraction form
    85,747.33/118,309.94 = 49,459.87/x
  3. Step 3: Cross multiply
    85,747.33x = 118,309.94 × 49,459.87
  4. Step 4: Simplify right side
    85,747.33x = 5,851,594,252.11
  5. Step 5: Solve for x
    x = 5,851,594,252.11/85,747.33
  6. Step 6: Final answer
    x = 68,242.29

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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.