Home / 85,135.44-117,487.08-47,411.04

Finding the Fourth Proportional to 85,135.44, 117,487.08 and 47,411.04

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Solution

The fourth proportional to 85,135.44, 117,487.08 and 47,411.04 is: 65,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,135.44 : 117,487.08 = 47,411.04 : x
  2. Step 2: Convert to fraction form
    85,135.44/117,487.08 = 47,411.04/x
  3. Step 3: Cross multiply
    85,135.44x = 117,487.08 × 47,411.04
  4. Step 4: Simplify right side
    85,135.44x = 5,570,184,649.36
  5. Step 5: Solve for x
    x = 5,570,184,649.36/85,135.44
  6. Step 6: Final answer
    x = 65,427.33

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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.